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Finding the Fourth Proportional to 517,735.80, 775,874.70 and 411,301.80

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Solution

The fourth proportional to 517,735.80, 775,874.70 and 411,301.80 is: 616,373.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,735.80 : 775,874.70 = 411,301.80 : x
  2. Step 2: Convert to fraction form
    517,735.80/775,874.70 = 411,301.80/x
  3. Step 3: Cross multiply
    517,735.80x = 775,874.70 × 411,301.80
  4. Step 4: Simplify right side
    517,735.80x = 319,118,660,684.46
  5. Step 5: Solve for x
    x = 319,118,660,684.46/517,735.80
  6. Step 6: Final answer
    x = 616,373.56

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