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Finding the Fourth Proportional to 616.82, 925.02 and 205.94

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Solution

The fourth proportional to 616.82, 925.02 and 205.94 is: 308.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    616.82 : 925.02 = 205.94 : x
  2. Step 2: Convert to fraction form
    616.82/925.02 = 205.94/x
  3. Step 3: Cross multiply
    616.82x = 925.02 × 205.94
  4. Step 4: Simplify right side
    616.82x = 190,500.93
  5. Step 5: Solve for x
    x = 190,500.93/616.82
  6. Step 6: Final answer
    x = 308.85

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