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Finding the Fourth Proportional to 625,099.68, 862,635.68 and 353,167.47

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Solution

The fourth proportional to 625,099.68, 862,635.68 and 353,167.47 is: 487,370.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,099.68 : 862,635.68 = 353,167.47 : x
  2. Step 2: Convert to fraction form
    625,099.68/862,635.68 = 353,167.47/x
  3. Step 3: Cross multiply
    625,099.68x = 862,635.68 × 353,167.47
  4. Step 4: Simplify right side
    625,099.68x = 304,654,858,871.49
  5. Step 5: Solve for x
    x = 304,654,858,871.49/625,099.68
  6. Step 6: Final answer
    x = 487,370.04

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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.