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Finding the Fourth Proportional to 493,314.30, 739,887.99 and 138,246.60

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Solution

The fourth proportional to 493,314.30, 739,887.99 and 138,246.60 is: 207,346.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,314.30 : 739,887.99 = 138,246.60 : x
  2. Step 2: Convert to fraction form
    493,314.30/739,887.99 = 138,246.60/x
  3. Step 3: Cross multiply
    493,314.30x = 739,887.99 × 138,246.60
  4. Step 4: Simplify right side
    493,314.30x = 102,286,998,998.33
  5. Step 5: Solve for x
    x = 102,286,998,998.33/493,314.30
  6. Step 6: Final answer
    x = 207,346.51

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