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Finding the Fourth Proportional to 487,545.92, 731,396.79 and 150,507.35

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Solution

The fourth proportional to 487,545.92, 731,396.79 and 150,507.35 is: 225,785.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,545.92 : 731,396.79 = 150,507.35 : x
  2. Step 2: Convert to fraction form
    487,545.92/731,396.79 = 150,507.35/x
  3. Step 3: Cross multiply
    487,545.92x = 731,396.79 × 150,507.35
  4. Step 4: Simplify right side
    487,545.92x = 110,080,591,747.16
  5. Step 5: Solve for x
    x = 110,080,591,747.16/487,545.92
  6. Step 6: Final answer
    x = 225,785.07

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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.