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Finding the Fourth Proportional to 297.48, 446.19 and 92.06

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Solution

The fourth proportional to 297.48, 446.19 and 92.06 is: 138.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    297.48 : 446.19 = 92.06 : x
  2. Step 2: Convert to fraction form
    297.48/446.19 = 92.06/x
  3. Step 3: Cross multiply
    297.48x = 446.19 × 92.06
  4. Step 4: Simplify right side
    297.48x = 41,074.02
  5. Step 5: Solve for x
    x = 41,074.02/297.48
  6. Step 6: Final answer
    x = 138.07

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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.