Finding the Fourth Proportional to 517,525.17, 714,177.41 and 291,170.13
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Solution
The fourth proportional to 517,525.17, 714,177.41 and 291,170.13 is: 401,810.66
Step by Step Solution
- Step 1: Write the proportion equation
517,525.17 : 714,177.41 = 291,170.13 : x - Step 2: Convert to fraction form
517,525.17/714,177.41 = 291,170.13/x - Step 3: Cross multiply
517,525.17x = 714,177.41 × 291,170.13 - Step 4: Simplify right side
517,525.17x = 207,947,129,312.76 - Step 5: Solve for x
x = 207,947,129,312.76/517,525.17 - Step 6: Final answer
x = 401,810.66
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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.