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Finding the Fourth Proportional to 664,704.80, 996,862.80 and 238,191.20

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Solution

The fourth proportional to 664,704.80, 996,862.80 and 238,191.20 is: 357,217.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,704.80 : 996,862.80 = 238,191.20 : x
  2. Step 2: Convert to fraction form
    664,704.80/996,862.80 = 238,191.20/x
  3. Step 3: Cross multiply
    664,704.80x = 996,862.80 × 238,191.20
  4. Step 4: Simplify right side
    664,704.80x = 237,443,946,567.36
  5. Step 5: Solve for x
    x = 237,443,946,567.36/664,704.80
  6. Step 6: Final answer
    x = 357,217.14

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