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Finding the Fourth Proportional to 363,286.80, 544,930.20 and 186,139.80

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Solution

The fourth proportional to 363,286.80, 544,930.20 and 186,139.80 is: 279,209.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,286.80 : 544,930.20 = 186,139.80 : x
  2. Step 2: Convert to fraction form
    363,286.80/544,930.20 = 186,139.80/x
  3. Step 3: Cross multiply
    363,286.80x = 544,930.20 × 186,139.80
  4. Step 4: Simplify right side
    363,286.80x = 101,433,198,441.96
  5. Step 5: Solve for x
    x = 101,433,198,441.96/363,286.80
  6. Step 6: Final answer
    x = 279,209.70

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