Finding the Fourth Proportional to 416,232.67, 574,401.07 and 225,246.06
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Solution
The fourth proportional to 416,232.67, 574,401.07 and 225,246.06 is: 310,839.55
Step by Step Solution
- Step 1: Write the proportion equation
416,232.67 : 574,401.07 = 225,246.06 : x - Step 2: Convert to fraction form
416,232.67/574,401.07 = 225,246.06/x - Step 3: Cross multiply
416,232.67x = 574,401.07 × 225,246.06 - Step 4: Simplify right side
416,232.67x = 129,381,577,877.28 - Step 5: Solve for x
x = 129,381,577,877.28/416,232.67 - Step 6: Final answer
x = 310,839.55
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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.