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Finding the Fourth Proportional to 297.94, 446.55 and 176.29

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Solution

The fourth proportional to 297.94, 446.55 and 176.29 is: 264.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    297.94 : 446.55 = 176.29 : x
  2. Step 2: Convert to fraction form
    297.94/446.55 = 176.29/x
  3. Step 3: Cross multiply
    297.94x = 446.55 × 176.29
  4. Step 4: Simplify right side
    297.94x = 78,722.30
  5. Step 5: Solve for x
    x = 78,722.30/297.94
  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.