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Finding the Fourth Proportional to 322.17, 444.44 and 204

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Solution

The fourth proportional to 322.17, 444.44 and 204 is: 281.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    322.17 : 444.44 = 204 : x
  2. Step 2: Convert to fraction form
    322.17/444.44 = 204/x
  3. Step 3: Cross multiply
    322.17x = 444.44 × 204
  4. Step 4: Simplify right side
    322.17x = 90,664.74
  5. Step 5: Solve for x
    x = 90,664.74/322.17
  6. Step 6: Final answer
    x = 281.42

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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.