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Finding the Fourth Proportional to 297.40, 446.03 and 151.06

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Solution

The fourth proportional to 297.40, 446.03 and 151.06 is: 226.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    297.40 : 446.03 = 151.06 : x
  2. Step 2: Convert to fraction form
    297.40/446.03 = 151.06/x
  3. Step 3: Cross multiply
    297.40x = 446.03 × 151.06
  4. Step 4: Simplify right side
    297.40x = 67,377.29
  5. Step 5: Solve for x
    x = 67,377.29/297.40
  6. Step 6: Final answer
    x = 226.55

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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.