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Finding the Fourth Proportional to 398,532.80, 597,799.20 and 174,000.80

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Solution

The fourth proportional to 398,532.80, 597,799.20 and 174,000.80 is: 261,001.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,532.80 : 597,799.20 = 174,000.80 : x
  2. Step 2: Convert to fraction form
    398,532.80/597,799.20 = 174,000.80/x
  3. Step 3: Cross multiply
    398,532.80x = 597,799.20 × 174,000.80
  4. Step 4: Simplify right side
    398,532.80x = 104,017,539,039.36
  5. Step 5: Solve for x
    x = 104,017,539,039.36/398,532.80
  6. Step 6: Final answer
    x = 261,001.20

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