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Finding the Fourth Proportional to 629,563.20, 944,344.80 and 564,244.80

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Solution

The fourth proportional to 629,563.20, 944,344.80 and 564,244.80 is: 846,367.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,563.20 : 944,344.80 = 564,244.80 : x
  2. Step 2: Convert to fraction form
    629,563.20/944,344.80 = 564,244.80/x
  3. Step 3: Cross multiply
    629,563.20x = 944,344.80 × 564,244.80
  4. Step 4: Simplify right side
    629,563.20x = 532,841,642,807.04
  5. Step 5: Solve for x
    x = 532,841,642,807.04/629,563.20
  6. Step 6: Final answer
    x = 846,367.20

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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.