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Finding the Fourth Proportional to 423.62, 584.82 and 248.96

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Solution

The fourth proportional to 423.62, 584.82 and 248.96 is: 343.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    423.62 : 584.82 = 248.96 : x
  2. Step 2: Convert to fraction form
    423.62/584.82 = 248.96/x
  3. Step 3: Cross multiply
    423.62x = 584.82 × 248.96
  4. Step 4: Simplify right side
    423.62x = 145,596.79
  5. Step 5: Solve for x
    x = 145,596.79/423.62
  6. Step 6: Final answer
    x = 343.70

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