Paste High DPI Image from Clipboard into Photoshop

You want to convert a MS Word graph into image, using Photoshop.

Copy to clipboard in Word.
New file in Photoshop.

When you New file from clipboard, the initial settings is 72DPI. Change the units to inch, dpi to 300. New. Paste. Result is incorrect.

Do not close the window. New file again. This time the pixel settings are much larger. Change the DPI to 300, and units to inch. The dimensions should match Word. Now paste.