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Finding the Fourth Proportional to 297.41, 446.18 and 135

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Solution

The fourth proportional to 297.41, 446.18 and 135 is: 202.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    297.41 : 446.18 = 135 : x
  2. Step 2: Convert to fraction form
    297.41/446.18 = 135/x
  3. Step 3: Cross multiply
    297.41x = 446.18 × 135
  4. Step 4: Simplify right side
    297.41x = 60,233.63
  5. Step 5: Solve for x
    x = 60,233.63/297.41
  6. Step 6: Final answer
    x = 202.53

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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.