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Finding the Fourth Proportional to 467.97, 644.63 and 363.17

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Solution

The fourth proportional to 467.97, 644.63 and 363.17 is: 500.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    467.97 : 644.63 = 363.17 : x
  2. Step 2: Convert to fraction form
    467.97/644.63 = 363.17/x
  3. Step 3: Cross multiply
    467.97x = 644.63 × 363.17
  4. Step 4: Simplify right side
    467.97x = 234,112.24
  5. Step 5: Solve for x
    x = 234,112.24/467.97
  6. Step 6: Final answer
    x = 500.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.