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Finding the Fourth Proportional to 624,963.56, 862,511.46 and 356,731.88

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Solution

The fourth proportional to 624,963.56, 862,511.46 and 356,731.88 is: 492,325.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,963.56 : 862,511.46 = 356,731.88 : x
  2. Step 2: Convert to fraction form
    624,963.56/862,511.46 = 356,731.88/x
  3. Step 3: Cross multiply
    624,963.56x = 862,511.46 × 356,731.88
  4. Step 4: Simplify right side
    624,963.56x = 307,685,334,647.35
  5. Step 5: Solve for x
    x = 307,685,334,647.35/624,963.56
  6. Step 6: Final answer
    x = 492,325.24

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