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Finding the Fourth Proportional to 461,248.40, 691,807.80 and 145,737.20

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Solution

The fourth proportional to 461,248.40, 691,807.80 and 145,737.20 is: 218,585.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,248.40 : 691,807.80 = 145,737.20 : x
  2. Step 2: Convert to fraction form
    461,248.40/691,807.80 = 145,737.20/x
  3. Step 3: Cross multiply
    461,248.40x = 691,807.80 × 145,737.20
  4. Step 4: Simplify right side
    461,248.40x = 100,822,131,710.16
  5. Step 5: Solve for x
    x = 100,822,131,710.16/461,248.40
  6. Step 6: Final answer
    x = 218,585.33

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