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Finding the Fourth Proportional to 484,472.53, 725,971.92 and 231,404.55

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Solution

The fourth proportional to 484,472.53, 725,971.92 and 231,404.55 is: 346,754.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,472.53 : 725,971.92 = 231,404.55 : x
  2. Step 2: Convert to fraction form
    484,472.53/725,971.92 = 231,404.55/x
  3. Step 3: Cross multiply
    484,472.53x = 725,971.92 × 231,404.55
  4. Step 4: Simplify right side
    484,472.53x = 167,993,205,460.24
  5. Step 5: Solve for x
    x = 167,993,205,460.24/484,472.53
  6. Step 6: Final answer
    x = 346,754.86

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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.