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Finding the Fourth Proportional to 658,149.38, 987,224.06 and 159,513.38

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Solution

The fourth proportional to 658,149.38, 987,224.06 and 159,513.38 is: 239,270.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,149.38 : 987,224.06 = 159,513.38 : x
  2. Step 2: Convert to fraction form
    658,149.38/987,224.06 = 159,513.38/x
  3. Step 3: Cross multiply
    658,149.38x = 987,224.06 × 159,513.38
  4. Step 4: Simplify right side
    658,149.38x = 157,475,446,627.92
  5. Step 5: Solve for x
    x = 157,475,446,627.92/658,149.38
  6. Step 6: Final answer
    x = 239,270.07

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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.