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Finding the Fourth Proportional to 224.72, 336.76 and 176.56

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Solution

The fourth proportional to 224.72, 336.76 and 176.56 is: 264.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    224.72 : 336.76 = 176.56 : x
  2. Step 2: Convert to fraction form
    224.72/336.76 = 176.56/x
  3. Step 3: Cross multiply
    224.72x = 336.76 × 176.56
  4. Step 4: Simplify right side
    224.72x = 59,458.35
  5. Step 5: Solve for x
    x = 59,458.35/224.72
  6. Step 6: Final answer
    x = 264.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.