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Finding the Fourth Proportional to 487,874.87, 731,882.03 and 150,944.30

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Solution

The fourth proportional to 487,874.87, 731,882.03 and 150,944.30 is: 226,438.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,874.87 : 731,882.03 = 150,944.30 : x
  2. Step 2: Convert to fraction form
    487,874.87/731,882.03 = 150,944.30/x
  3. Step 3: Cross multiply
    487,874.87x = 731,882.03 × 150,944.30
  4. Step 4: Simplify right side
    487,874.87x = 110,473,416,286.80
  5. Step 5: Solve for x
    x = 110,473,416,286.80/487,874.87
  6. Step 6: Final answer
    x = 226,438.02

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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.