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Finding the Fourth Proportional to 399,233.60, 598,850.40 and 177,617.60

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Solution

The fourth proportional to 399,233.60, 598,850.40 and 177,617.60 is: 266,426.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,233.60 : 598,850.40 = 177,617.60 : x
  2. Step 2: Convert to fraction form
    399,233.60/598,850.40 = 177,617.60/x
  3. Step 3: Cross multiply
    399,233.60x = 598,850.40 × 177,617.60
  4. Step 4: Simplify right side
    399,233.60x = 106,366,370,807.04
  5. Step 5: Solve for x
    x = 106,366,370,807.04/399,233.60
  6. Step 6: Final answer
    x = 266,426.40

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