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Finding the Fourth Proportional to 629,859,591.60, 944,789,387.40 and 476,804,583.60

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Solution

The fourth proportional to 629,859,591.60, 944,789,387.40 and 476,804,583.60 is: 715,206,875.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,859,591.60 : 944,789,387.40 = 476,804,583.60 : x
  2. Step 2: Convert to fraction form
    629,859,591.60/944,789,387.40 = 476,804,583.60/x
  3. Step 3: Cross multiply
    629,859,591.60x = 944,789,387.40 × 476,804,583.60
  4. Step 4: Simplify right side
    629,859,591.60x = 450,479,910,448,956,096
  5. Step 5: Solve for x
    x = 450,479,910,448,956,096/629,859,591.60
  6. Step 6: Final answer
    x = 715,206,875.40

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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.