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Finding the Fourth Proportional to 658,132.52, 987,198.81 and 159,496.52

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Solution

The fourth proportional to 658,132.52, 987,198.81 and 159,496.52 is: 239,244.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,132.52 : 987,198.81 = 159,496.52 : x
  2. Step 2: Convert to fraction form
    658,132.52/987,198.81 = 159,496.52/x
  3. Step 3: Cross multiply
    658,132.52x = 987,198.81 × 159,496.52
  4. Step 4: Simplify right side
    658,132.52x = 157,454,774,743.14
  5. Step 5: Solve for x
    x = 157,454,774,743.14/658,132.52
  6. Step 6: Final answer
    x = 239,244.79

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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.