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Finding the Fourth Proportional to 407,847.33, 611,142.24 and 218,332.85

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Solution

The fourth proportional to 407,847.33, 611,142.24 and 218,332.85 is: 327,162.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,847.33 : 611,142.24 = 218,332.85 : x
  2. Step 2: Convert to fraction form
    407,847.33/611,142.24 = 218,332.85/x
  3. Step 3: Cross multiply
    407,847.33x = 611,142.24 × 218,332.85
  4. Step 4: Simplify right side
    407,847.33x = 133,432,424,395.06
  5. Step 5: Solve for x
    x = 133,432,424,395.06/407,847.33
  6. Step 6: Final answer
    x = 327,162.68

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