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Finding the Fourth Proportional to 422,239,712.91, 582,690,794.56 and 234,067,529.97

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Solution

The fourth proportional to 422,239,712.91, 582,690,794.56 and 234,067,529.97 is: 323,013,186.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,239,712.91 : 582,690,794.56 = 234,067,529.97 : x
  2. Step 2: Convert to fraction form
    422,239,712.91/582,690,794.56 = 234,067,529.97/x
  3. Step 3: Cross multiply
    422,239,712.91x = 582,690,794.56 × 234,067,529.97
  4. Step 4: Simplify right side
    422,239,712.91x = 136,388,995,016,002,448
  5. Step 5: Solve for x
    x = 136,388,995,016,002,448/422,239,712.91
  6. Step 6: Final answer
    x = 323,013,186.22

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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.