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Finding the Fourth Proportional to 360.44, 539.92 and 269

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Solution

The fourth proportional to 360.44, 539.92 and 269 is: 402.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    360.44 : 539.92 = 269 : x
  2. Step 2: Convert to fraction form
    360.44/539.92 = 269/x
  3. Step 3: Cross multiply
    360.44x = 539.92 × 269
  4. Step 4: Simplify right side
    360.44x = 145,238.48
  5. Step 5: Solve for x
    x = 145,238.48/360.44
  6. Step 6: Final answer
    x = 402.95

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