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Finding the Fourth Proportional to 264.82, 397.24 and 120.44

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Solution

The fourth proportional to 264.82, 397.24 and 120.44 is: 180.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    264.82 : 397.24 = 120.44 : x
  2. Step 2: Convert to fraction form
    264.82/397.24 = 120.44/x
  3. Step 3: Cross multiply
    264.82x = 397.24 × 120.44
  4. Step 4: Simplify right side
    264.82x = 47,843.59
  5. Step 5: Solve for x
    x = 47,843.59/264.82
  6. Step 6: Final answer
    x = 180.66

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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.