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Finding the Fourth Proportional to 297.48, 446.22 and 174.27

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Solution

The fourth proportional to 297.48, 446.22 and 174.27 is: 261.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    297.48 : 446.22 = 174.27 : x
  2. Step 2: Convert to fraction form
    297.48/446.22 = 174.27/x
  3. Step 3: Cross multiply
    297.48x = 446.22 × 174.27
  4. Step 4: Simplify right side
    297.48x = 77,762.76
  5. Step 5: Solve for x
    x = 77,762.76/297.48
  6. Step 6: Final answer
    x = 261.41

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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.