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Finding the Fourth Proportional to 566,286.61, 781,493.88 and 324,614.92

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Solution

The fourth proportional to 566,286.61, 781,493.88 and 324,614.92 is: 447,979.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,286.61 : 781,493.88 = 324,614.92 : x
  2. Step 2: Convert to fraction form
    566,286.61/781,493.88 = 324,614.92/x
  3. Step 3: Cross multiply
    566,286.61x = 781,493.88 × 324,614.92
  4. Step 4: Simplify right side
    566,286.61x = 253,684,573,336.69
  5. Step 5: Solve for x
    x = 253,684,573,336.69/566,286.61
  6. Step 6: Final answer
    x = 447,979.11

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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.