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Finding the Fourth Proportional to 220.27, 304.00 and 176.73

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Solution

The fourth proportional to 220.27, 304.00 and 176.73 is: 243.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    220.27 : 304.00 = 176.73 : x
  2. Step 2: Convert to fraction form
    220.27/304.00 = 176.73/x
  3. Step 3: Cross multiply
    220.27x = 304.00 × 176.73
  4. Step 4: Simplify right side
    220.27x = 53,725.48
  5. Step 5: Solve for x
    x = 53,725.48/220.27
  6. Step 6: Final answer
    x = 243.91

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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.