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Finding the Fourth Proportional to 378,949.20, 567,930.17 and 154,046.93

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Solution

The fourth proportional to 378,949.20, 567,930.17 and 154,046.93 is: 230,869.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,949.20 : 567,930.17 = 154,046.93 : x
  2. Step 2: Convert to fraction form
    378,949.20/567,930.17 = 154,046.93/x
  3. Step 3: Cross multiply
    378,949.20x = 567,930.17 × 154,046.93
  4. Step 4: Simplify right side
    378,949.20x = 87,487,898,372.64
  5. Step 5: Solve for x
    x = 87,487,898,372.64/378,949.20
  6. Step 6: Final answer
    x = 230,869.73

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