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Finding the Fourth Proportional to 297.67, 446.51 and 92.23

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Solution

The fourth proportional to 297.67, 446.51 and 92.23 is: 138.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    297.67 : 446.51 = 92.23 : x
  2. Step 2: Convert to fraction form
    297.67/446.51 = 92.23/x
  3. Step 3: Cross multiply
    297.67x = 446.51 × 92.23
  4. Step 4: Simplify right side
    297.67x = 41,181.62
  5. Step 5: Solve for x
    x = 41,181.62/297.67
  6. Step 6: Final answer
    x = 138.35

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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.