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Finding the Fourth Proportional to 558,873.20, 838,169.76 and 238,866.88

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Solution

The fourth proportional to 558,873.20, 838,169.76 and 238,866.88 is: 358,240.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,873.20 : 838,169.76 = 238,866.88 : x
  2. Step 2: Convert to fraction form
    558,873.20/838,169.76 = 238,866.88/x
  3. Step 3: Cross multiply
    558,873.20x = 838,169.76 × 238,866.88
  4. Step 4: Simplify right side
    558,873.20x = 200,210,995,481.55
  5. Step 5: Solve for x
    x = 200,210,995,481.55/558,873.20
  6. Step 6: Final answer
    x = 358,240.47

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