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Finding the Fourth Proportional to 297.36, 446.22 and 135.06

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Solution

The fourth proportional to 297.36, 446.22 and 135.06 is: 202.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    297.36 : 446.22 = 135.06 : x
  2. Step 2: Convert to fraction form
    297.36/446.22 = 135.06/x
  3. Step 3: Cross multiply
    297.36x = 446.22 × 135.06
  4. Step 4: Simplify right side
    297.36x = 60,266.47
  5. Step 5: Solve for x
    x = 60,266.47/297.36
  6. Step 6: Final answer
    x = 202.67

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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.