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Finding the Fourth Proportional to 386,950.20, 580,230.90 and 176,350.20

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Solution

The fourth proportional to 386,950.20, 580,230.90 and 176,350.20 is: 264,436.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,950.20 : 580,230.90 = 176,350.20 : x
  2. Step 2: Convert to fraction form
    386,950.20/580,230.90 = 176,350.20/x
  3. Step 3: Cross multiply
    386,950.20x = 580,230.90 × 176,350.20
  4. Step 4: Simplify right side
    386,950.20x = 102,323,835,261.18
  5. Step 5: Solve for x
    x = 102,323,835,261.18/386,950.20
  6. Step 6: Final answer
    x = 264,436.70

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