Finding the Fourth Proportional to 543,763.53, 750,224.37 and 314,237.19
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Solution
The fourth proportional to 543,763.53, 750,224.37 and 314,237.19 is: 433,549.48
Step by Step Solution
- Step 1: Write the proportion equation
543,763.53 : 750,224.37 = 314,237.19 : x - Step 2: Convert to fraction form
543,763.53/750,224.37 = 314,237.19/x - Step 3: Cross multiply
543,763.53x = 750,224.37 × 314,237.19 - Step 4: Simplify right side
543,763.53x = 235,748,397,898.32 - Step 5: Solve for x
x = 235,748,397,898.32/543,763.53 - Step 6: Final answer
x = 433,549.48
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.