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Finding the Fourth Proportional to 558,767.30, 838,140.87 and 203,777.78

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Solution

The fourth proportional to 558,767.30, 838,140.87 and 203,777.78 is: 305,662.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,767.30 : 838,140.87 = 203,777.78 : x
  2. Step 2: Convert to fraction form
    558,767.30/838,140.87 = 203,777.78/x
  3. Step 3: Cross multiply
    558,767.30x = 838,140.87 × 203,777.78
  4. Step 4: Simplify right side
    558,767.30x = 170,794,485,815.87
  5. Step 5: Solve for x
    x = 170,794,485,815.87/558,767.30
  6. Step 6: Final answer
    x = 305,662.99

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