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Finding the Fourth Proportional to 539,201.80, 809,458.80 and 272,825.20

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Solution

The fourth proportional to 539,201.80, 809,458.80 and 272,825.20 is: 409,569.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,201.80 : 809,458.80 = 272,825.20 : x
  2. Step 2: Convert to fraction form
    539,201.80/809,458.80 = 272,825.20/x
  3. Step 3: Cross multiply
    539,201.80x = 809,458.80 × 272,825.20
  4. Step 4: Simplify right side
    539,201.80x = 220,840,759,001.76
  5. Step 5: Solve for x
    x = 220,840,759,001.76/539,201.80
  6. Step 6: Final answer
    x = 409,569.77

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