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Finding the Fourth Proportional to 658,130.52, 987,195.81 and 159,494.52

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Solution

The fourth proportional to 658,130.52, 987,195.81 and 159,494.52 is: 239,241.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,130.52 : 987,195.81 = 159,494.52 : x
  2. Step 2: Convert to fraction form
    658,130.52/987,195.81 = 159,494.52/x
  3. Step 3: Cross multiply
    658,130.52x = 987,195.81 × 159,494.52
  4. Step 4: Simplify right side
    658,130.52x = 157,452,321,861.96
  5. Step 5: Solve for x
    x = 157,452,321,861.96/658,130.52
  6. Step 6: Final answer
    x = 239,241.79

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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.