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Finding the Fourth Proportional to 758,757.25, 1,138,697.14 and 359,398.90

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Solution

The fourth proportional to 758,757.25, 1,138,697.14 and 359,398.90 is: 539,364.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,757.25 : 1,138,697.14 = 359,398.90 : x
  2. Step 2: Convert to fraction form
    758,757.25/1,138,697.14 = 359,398.90/x
  3. Step 3: Cross multiply
    758,757.25x = 1,138,697.14 × 359,398.90
  4. Step 4: Simplify right side
    758,757.25x = 409,246,497,545.31
  5. Step 5: Solve for x
    x = 409,246,497,545.31/758,757.25
  6. Step 6: Final answer
    x = 539,364.20

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