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Finding the Fourth Proportional to 297.92, 446.64 and 176.24

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Solution

The fourth proportional to 297.92, 446.64 and 176.24 is: 264.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    297.92 : 446.64 = 176.24 : x
  2. Step 2: Convert to fraction form
    297.92/446.64 = 176.24/x
  3. Step 3: Cross multiply
    297.92x = 446.64 × 176.24
  4. Step 4: Simplify right side
    297.92x = 78,715.83
  5. Step 5: Solve for x
    x = 78,715.83/297.92
  6. Step 6: Final answer
    x = 264.22

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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.