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Finding the Fourth Proportional to 297.72, 447.03 and 176.04

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Solution

The fourth proportional to 297.72, 447.03 and 176.04 is: 264.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    297.72 : 447.03 = 176.04 : x
  2. Step 2: Convert to fraction form
    297.72/447.03 = 176.04/x
  3. Step 3: Cross multiply
    297.72x = 447.03 × 176.04
  4. Step 4: Simplify right side
    297.72x = 78,695.16
  5. Step 5: Solve for x
    x = 78,695.16/297.72
  6. Step 6: Final answer
    x = 264.33

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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.