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Finding the Fourth Proportional to 238.73, 356.46 and 204.44

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Solution

The fourth proportional to 238.73, 356.46 and 204.44 is: 305.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    238.73 : 356.46 = 204.44 : x
  2. Step 2: Convert to fraction form
    238.73/356.46 = 204.44/x
  3. Step 3: Cross multiply
    238.73x = 356.46 × 204.44
  4. Step 4: Simplify right side
    238.73x = 72,872.90
  5. Step 5: Solve for x
    x = 72,872.90/238.73
  6. Step 6: Final answer
    x = 305.26

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.