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Finding the Fourth Proportional to 238.44, 329.10 and 176.46

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Solution

The fourth proportional to 238.44, 329.10 and 176.46 is: 243.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    238.44 : 329.10 = 176.46 : x
  2. Step 2: Convert to fraction form
    238.44/329.10 = 176.46/x
  3. Step 3: Cross multiply
    238.44x = 329.10 × 176.46
  4. Step 4: Simplify right side
    238.44x = 58,072.99
  5. Step 5: Solve for x
    x = 58,072.99/238.44
  6. Step 6: Final answer
    x = 243.55

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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.