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Finding the Fourth Proportional to 629,859,594.60, 944,789,391.90 and 476,804,586.60

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Solution

The fourth proportional to 629,859,594.60, 944,789,391.90 and 476,804,586.60 is: 715,206,879.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,859,594.60 : 944,789,391.90 = 476,804,586.60 : x
  2. Step 2: Convert to fraction form
    629,859,594.60/944,789,391.90 = 476,804,586.60/x
  3. Step 3: Cross multiply
    629,859,594.60x = 944,789,391.90 × 476,804,586.60
  4. Step 4: Simplify right side
    629,859,594.60x = 450,479,915,428,944,896
  5. Step 5: Solve for x
    x = 450,479,915,428,944,896/629,859,594.60
  6. Step 6: Final answer
    x = 715,206,879.90

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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.