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Finding the Fourth Proportional to 463.92, 640.24 and 267.44

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Solution

The fourth proportional to 463.92, 640.24 and 267.44 is: 369.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    463.92 : 640.24 = 267.44 : x
  2. Step 2: Convert to fraction form
    463.92/640.24 = 267.44/x
  3. Step 3: Cross multiply
    463.92x = 640.24 × 267.44
  4. Step 4: Simplify right side
    463.92x = 171,225.79
  5. Step 5: Solve for x
    x = 171,225.79/463.92
  6. Step 6: Final answer
    x = 369.08

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