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Finding the Fourth Proportional to 551.72, 826.84 and 262.52

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Solution

The fourth proportional to 551.72, 826.84 and 262.52 is: 393.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    551.72 : 826.84 = 262.52 : x
  2. Step 2: Convert to fraction form
    551.72/826.84 = 262.52/x
  3. Step 3: Cross multiply
    551.72x = 826.84 × 262.52
  4. Step 4: Simplify right side
    551.72x = 217,062.04
  5. Step 5: Solve for x
    x = 217,062.04/551.72
  6. Step 6: Final answer
    x = 393.43

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