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Finding the Fourth Proportional to 506,118.60, 759,177.90 and 132,141.60

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Solution

The fourth proportional to 506,118.60, 759,177.90 and 132,141.60 is: 198,212.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,118.60 : 759,177.90 = 132,141.60 : x
  2. Step 2: Convert to fraction form
    506,118.60/759,177.90 = 132,141.60/x
  3. Step 3: Cross multiply
    506,118.60x = 759,177.90 × 132,141.60
  4. Step 4: Simplify right side
    506,118.60x = 100,318,982,390.64
  5. Step 5: Solve for x
    x = 100,318,982,390.64/506,118.60
  6. Step 6: Final answer
    x = 198,212.40

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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.