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Finding the Fourth Proportional to 576.93, 865.13 and 165.97

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Solution

The fourth proportional to 576.93, 865.13 and 165.97 is: 248.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    576.93 : 865.13 = 165.97 : x
  2. Step 2: Convert to fraction form
    576.93/865.13 = 165.97/x
  3. Step 3: Cross multiply
    576.93x = 865.13 × 165.97
  4. Step 4: Simplify right side
    576.93x = 143,585.63
  5. Step 5: Solve for x
    x = 143,585.63/576.93
  6. Step 6: Final answer
    x = 248.88

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