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Finding the Fourth Proportional to 539,082.70, 808,624.05 and 165,057.10

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Solution

The fourth proportional to 539,082.70, 808,624.05 and 165,057.10 is: 247,585.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,082.70 : 808,624.05 = 165,057.10 : x
  2. Step 2: Convert to fraction form
    539,082.70/808,624.05 = 165,057.10/x
  3. Step 3: Cross multiply
    539,082.70x = 808,624.05 × 165,057.10
  4. Step 4: Simplify right side
    539,082.70x = 133,469,140,683.26
  5. Step 5: Solve for x
    x = 133,469,140,683.26/539,082.70
  6. Step 6: Final answer
    x = 247,585.65

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Double scale
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Similar ratio
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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.