Marnie solved the proportion StartFraction 150 over 170 EndFraction = StartFraction x over 510 EndFraction to find the value of x in the enlarged parallelogram. A smaller parallelogram has a bottom side length of 170 centimeters and left side length of 150 centimeters. A larger parallelogram has a bottom side length of 510 centimeters and left side length of x centimeters.
Not drawn to scale

What is the value of x?
x = 255
x = 300
x = 340
x = 450