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Finding the Fourth Proportional to 360.83, 541.25 and 239.87

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Solution

The fourth proportional to 360.83, 541.25 and 239.87 is: 359.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    360.83 : 541.25 = 239.87 : x
  2. Step 2: Convert to fraction form
    360.83/541.25 = 239.87/x
  3. Step 3: Cross multiply
    360.83x = 541.25 × 239.87
  4. Step 4: Simplify right side
    360.83x = 129,829.64
  5. Step 5: Solve for x
    x = 129,829.64/360.83
  6. Step 6: Final answer
    x = 359.81

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