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Finding the Fourth Proportional to 472.97, 652.71 and 263.17

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Solution

The fourth proportional to 472.97, 652.71 and 263.17 is: 363.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    472.97 : 652.71 = 263.17 : x
  2. Step 2: Convert to fraction form
    472.97/652.71 = 263.17/x
  3. Step 3: Cross multiply
    472.97x = 652.71 × 263.17
  4. Step 4: Simplify right side
    472.97x = 171,773.69
  5. Step 5: Solve for x
    x = 171,773.69/472.97
  6. Step 6: Final answer
    x = 363.18

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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.