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Finding the Fourth Proportional to 629,564.20, 944,346.30 and 564,245.80

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Solution

The fourth proportional to 629,564.20, 944,346.30 and 564,245.80 is: 846,368.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,564.20 : 944,346.30 = 564,245.80 : x
  2. Step 2: Convert to fraction form
    629,564.20/944,346.30 = 564,245.80/x
  3. Step 3: Cross multiply
    629,564.20x = 944,346.30 × 564,245.80
  4. Step 4: Simplify right side
    629,564.20x = 532,843,433,520.54
  5. Step 5: Solve for x
    x = 532,843,433,520.54/629,564.20
  6. Step 6: Final answer
    x = 846,368.70

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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.