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Finding the Fourth Proportional to 337,217.78, 505,390.59 and 252,311.78

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Solution

The fourth proportional to 337,217.78, 505,390.59 and 252,311.78 is: 378,141.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,217.78 : 505,390.59 = 252,311.78 : x
  2. Step 2: Convert to fraction form
    337,217.78/505,390.59 = 252,311.78/x
  3. Step 3: Cross multiply
    337,217.78x = 505,390.59 × 252,311.78
  4. Step 4: Simplify right side
    337,217.78x = 127,515,999,358.15
  5. Step 5: Solve for x
    x = 127,515,999,358.15/337,217.78
  6. Step 6: Final answer
    x = 378,141.39

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