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Finding the Fourth Proportional to 321,639.17, 443,862.30 and 178,400.24

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Solution

The fourth proportional to 321,639.17, 443,862.30 and 178,400.24 is: 246,192.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,639.17 : 443,862.30 = 178,400.24 : x
  2. Step 2: Convert to fraction form
    321,639.17/443,862.30 = 178,400.24/x
  3. Step 3: Cross multiply
    321,639.17x = 443,862.30 × 178,400.24
  4. Step 4: Simplify right side
    321,639.17x = 79,185,140,846.95
  5. Step 5: Solve for x
    x = 79,185,140,846.95/321,639.17
  6. Step 6: Final answer
    x = 246,192.47

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