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Finding the Fourth Proportional to 297.33, 446.03 and 80.93

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Solution

The fourth proportional to 297.33, 446.03 and 80.93 is: 121.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    297.33 : 446.03 = 80.93 : x
  2. Step 2: Convert to fraction form
    297.33/446.03 = 80.93/x
  3. Step 3: Cross multiply
    297.33x = 446.03 × 80.93
  4. Step 4: Simplify right side
    297.33x = 36,094.57
  5. Step 5: Solve for x
    x = 36,094.57/297.33
  6. Step 6: Final answer
    x = 121.40

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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.