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Finding the Fourth Proportional to 274,747.20, 411,318.90 and 196,015.20

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Solution

The fourth proportional to 274,747.20, 411,318.90 and 196,015.20 is: 293,450.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,747.20 : 411,318.90 = 196,015.20 : x
  2. Step 2: Convert to fraction form
    274,747.20/411,318.90 = 196,015.20/x
  3. Step 3: Cross multiply
    274,747.20x = 411,318.90 × 196,015.20
  4. Step 4: Simplify right side
    274,747.20x = 80,624,756,447.28
  5. Step 5: Solve for x
    x = 80,624,756,447.28/274,747.20
  6. Step 6: Final answer
    x = 293,450.69

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