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Finding the Fourth Proportional to 656,144.96, 984,217.37 and 157,508.96

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Solution

The fourth proportional to 656,144.96, 984,217.37 and 157,508.96 is: 236,263.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,144.96 : 984,217.37 = 157,508.96 : x
  2. Step 2: Convert to fraction form
    656,144.96/984,217.37 = 157,508.96/x
  3. Step 3: Cross multiply
    656,144.96x = 984,217.37 × 157,508.96
  4. Step 4: Simplify right side
    656,144.96x = 155,023,048,654.00
  5. Step 5: Solve for x
    x = 155,023,048,654.00/656,144.96
  6. Step 6: Final answer
    x = 236,263.42

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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.