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Finding the Fourth Proportional to 222, 306.60 and 204.44

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Solution

The fourth proportional to 222, 306.60 and 204.44 is: 282.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    222 : 306.60 = 204.44 : x
  2. Step 2: Convert to fraction form
    222/306.60 = 204.44/x
  3. Step 3: Cross multiply
    222x = 306.60 × 204.44
  4. Step 4: Simplify right side
    222x = 62,681.30
  5. Step 5: Solve for x
    x = 62,681.30/222
  6. Step 6: Final answer
    x = 282.35

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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.