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Finding the Fourth Proportional to 658,134.96, 987,202.45 and 159,498.96

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Solution

The fourth proportional to 658,134.96, 987,202.45 and 159,498.96 is: 239,248.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,134.96 : 987,202.45 = 159,498.96 : x
  2. Step 2: Convert to fraction form
    658,134.96/987,202.45 = 159,498.96/x
  3. Step 3: Cross multiply
    658,134.96x = 987,202.45 × 159,498.96
  4. Step 4: Simplify right side
    658,134.96x = 157,457,764,084.45
  5. Step 5: Solve for x
    x = 157,457,764,084.45/658,134.96
  6. Step 6: Final answer
    x = 239,248.44

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Double scale
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Similar ratio
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1.5x scale

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.