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Finding the Fourth Proportional to 551.17, 826.77 and 204.59

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Solution

The fourth proportional to 551.17, 826.77 and 204.59 is: 306.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    551.17 : 826.77 = 204.59 : x
  2. Step 2: Convert to fraction form
    551.17/826.77 = 204.59/x
  3. Step 3: Cross multiply
    551.17x = 826.77 × 204.59
  4. Step 4: Simplify right side
    551.17x = 169,148.87
  5. Step 5: Solve for x
    x = 169,148.87/551.17
  6. Step 6: Final answer
    x = 306.89

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