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Finding the Fourth Proportional to 444,757.87, 667,284.43 and 145,248.22

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Solution

The fourth proportional to 444,757.87, 667,284.43 and 145,248.22 is: 217,920.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,757.87 : 667,284.43 = 145,248.22 : x
  2. Step 2: Convert to fraction form
    444,757.87/667,284.43 = 145,248.22/x
  3. Step 3: Cross multiply
    444,757.87x = 667,284.43 × 145,248.22
  4. Step 4: Simplify right side
    444,757.87x = 96,921,875,691.21
  5. Step 5: Solve for x
    x = 96,921,875,691.21/444,757.87
  6. Step 6: Final answer
    x = 217,920.54

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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.