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Finding the Fourth Proportional to 264.67, 396.83 and 149.11

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Solution

The fourth proportional to 264.67, 396.83 and 149.11 is: 223.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    264.67 : 396.83 = 149.11 : x
  2. Step 2: Convert to fraction form
    264.67/396.83 = 149.11/x
  3. Step 3: Cross multiply
    264.67x = 396.83 × 149.11
  4. Step 4: Simplify right side
    264.67x = 59,170.70
  5. Step 5: Solve for x
    x = 59,170.70/264.67
  6. Step 6: Final answer
    x = 223.57

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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.