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Finding the Fourth Proportional to 487,974.68, 732,031.98 and 151,044.92

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Solution

The fourth proportional to 487,974.68, 732,031.98 and 151,044.92 is: 226,589.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,974.68 : 732,031.98 = 151,044.92 : x
  2. Step 2: Convert to fraction form
    487,974.68/732,031.98 = 151,044.92/x
  3. Step 3: Cross multiply
    487,974.68x = 732,031.98 × 151,044.92
  4. Step 4: Simplify right side
    487,974.68x = 110,569,711,856.54
  5. Step 5: Solve for x
    x = 110,569,711,856.54/487,974.68
  6. Step 6: Final answer
    x = 226,589.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.