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Finding the Fourth Proportional to 451,553.74, 676,856.46 and 151,930.30

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Solution

The fourth proportional to 451,553.74, 676,856.46 and 151,930.30 is: 227,735.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,553.74 : 676,856.46 = 151,930.30 : x
  2. Step 2: Convert to fraction form
    451,553.74/676,856.46 = 151,930.30/x
  3. Step 3: Cross multiply
    451,553.74x = 676,856.46 × 151,930.30
  4. Step 4: Simplify right side
    451,553.74x = 102,835,001,640.46
  5. Step 5: Solve for x
    x = 102,835,001,640.46/451,553.74
  6. Step 6: Final answer
    x = 227,735.91

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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.