no, it's not the same
by "target" I'm referring to a ppi output of the printing device (Epson is either 240 or 360 ppi output for low to high fidelity photo quality)
Upon deciding how big to print, you multiply the print dimensions by the ppi (resolution per inch) to determine file size or (your ppi method) whatever the needed pixel count in each direction (ppi). For the good Epson setting (240), try 3840 X 4800 ppi or the higher quality (360) would be 5760 X 7200 ppi.
your example would produce a larger (good) print of 32.4 X 53.3 inches
I use the "new file" command in Photoshop to perform these calculations... a built-in calculator... I'm no math genius, which others might demonstrate here shortly;-)
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