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Finding the Fourth Proportional to 566,247.59, 781,455.35 and 324,545.71

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Solution

The fourth proportional to 566,247.59, 781,455.35 and 324,545.71 is: 447,892.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,247.59 : 781,455.35 = 324,545.71 : x
  2. Step 2: Convert to fraction form
    566,247.59/781,455.35 = 324,545.71/x
  3. Step 3: Cross multiply
    566,247.59x = 781,455.35 × 324,545.71
  4. Step 4: Simplify right side
    566,247.59x = 253,617,981,399.05
  5. Step 5: Solve for x
    x = 253,617,981,399.05/566,247.59
  6. Step 6: Final answer
    x = 447,892.38

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Half scale
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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.