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Finding the Fourth Proportional to 541,403.70, 812,105.55 and 331,451.70

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Solution

The fourth proportional to 541,403.70, 812,105.55 and 331,451.70 is: 497,177.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,403.70 : 812,105.55 = 331,451.70 : x
  2. Step 2: Convert to fraction form
    541,403.70/812,105.55 = 331,451.70/x
  3. Step 3: Cross multiply
    541,403.70x = 812,105.55 × 331,451.70
  4. Step 4: Simplify right side
    541,403.70x = 269,173,765,126.94
  5. Step 5: Solve for x
    x = 269,173,765,126.94/541,403.70
  6. Step 6: Final answer
    x = 497,177.55

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