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Finding the Fourth Proportional to 323.41, 484.09 and 231.66

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Solution

The fourth proportional to 323.41, 484.09 and 231.66 is: 346.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    323.41 : 484.09 = 231.66 : x
  2. Step 2: Convert to fraction form
    323.41/484.09 = 231.66/x
  3. Step 3: Cross multiply
    323.41x = 484.09 × 231.66
  4. Step 4: Simplify right side
    323.41x = 112,144.29
  5. Step 5: Solve for x
    x = 112,144.29/323.41
  6. Step 6: Final answer
    x = 346.76

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