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Finding the Fourth Proportional to 297.27, 446.04 and 135.07

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Solution

The fourth proportional to 297.27, 446.04 and 135.07 is: 202.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    297.27 : 446.04 = 135.07 : x
  2. Step 2: Convert to fraction form
    297.27/446.04 = 135.07/x
  3. Step 3: Cross multiply
    297.27x = 446.04 × 135.07
  4. Step 4: Simplify right side
    297.27x = 60,245.51
  5. Step 5: Solve for x
    x = 60,245.51/297.27
  6. Step 6: Final answer
    x = 202.66

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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.