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Finding the Fourth Proportional to 404,695.50, 558,479.80 and 225,847.50

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Solution

The fourth proportional to 404,695.50, 558,479.80 and 225,847.50 is: 311,669.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,695.50 : 558,479.80 = 225,847.50 : x
  2. Step 2: Convert to fraction form
    404,695.50/558,479.80 = 225,847.50/x
  3. Step 3: Cross multiply
    404,695.50x = 558,479.80 × 225,847.50
  4. Step 4: Simplify right side
    404,695.50x = 126,131,266,630.50
  5. Step 5: Solve for x
    x = 126,131,266,630.50/404,695.50
  6. Step 6: Final answer
    x = 311,669.56

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