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Finding the Fourth Proportional to 453,092.88, 625,278.45 and 249,155.13

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Solution

The fourth proportional to 453,092.88, 625,278.45 and 249,155.13 is: 343,839.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,092.88 : 625,278.45 = 249,155.13 : x
  2. Step 2: Convert to fraction form
    453,092.88/625,278.45 = 249,155.13/x
  3. Step 3: Cross multiply
    453,092.88x = 625,278.45 × 249,155.13
  4. Step 4: Simplify right side
    453,092.88x = 155,791,331,151.15
  5. Step 5: Solve for x
    x = 155,791,331,151.15/453,092.88
  6. Step 6: Final answer
    x = 343,839.73

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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.