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Finding the Fourth Proportional to 220.44, 304.38 and 176.97

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Solution

The fourth proportional to 220.44, 304.38 and 176.97 is: 244.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    220.44 : 304.38 = 176.97 : x
  2. Step 2: Convert to fraction form
    220.44/304.38 = 176.97/x
  3. Step 3: Cross multiply
    220.44x = 304.38 × 176.97
  4. Step 4: Simplify right side
    220.44x = 53,866.13
  5. Step 5: Solve for x
    x = 53,866.13/220.44
  6. Step 6: Final answer
    x = 244.36

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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.