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Finding the Fourth Proportional to 462.62, 694.03 and 154.57

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Solution

The fourth proportional to 462.62, 694.03 and 154.57 is: 231.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    462.62 : 694.03 = 154.57 : x
  2. Step 2: Convert to fraction form
    462.62/694.03 = 154.57/x
  3. Step 3: Cross multiply
    462.62x = 694.03 × 154.57
  4. Step 4: Simplify right side
    462.62x = 107,275.44
  5. Step 5: Solve for x
    x = 107,275.44/462.62
  6. Step 6: Final answer
    x = 231.89

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