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Finding the Fourth Proportional to 543,630.20, 815,445.30 and 144,332.60

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Solution

The fourth proportional to 543,630.20, 815,445.30 and 144,332.60 is: 216,498.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,630.20 : 815,445.30 = 144,332.60 : x
  2. Step 2: Convert to fraction form
    543,630.20/815,445.30 = 144,332.60/x
  3. Step 3: Cross multiply
    543,630.20x = 815,445.30 × 144,332.60
  4. Step 4: Simplify right side
    543,630.20x = 117,695,340,306.78
  5. Step 5: Solve for x
    x = 117,695,340,306.78/543,630.20
  6. Step 6: Final answer
    x = 216,498.90

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