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Finding the Fourth Proportional to 294.38, 441.26 and 120.97

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Solution

The fourth proportional to 294.38, 441.26 and 120.97 is: 181.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    294.38 : 441.26 = 120.97 : x
  2. Step 2: Convert to fraction form
    294.38/441.26 = 120.97/x
  3. Step 3: Cross multiply
    294.38x = 441.26 × 120.97
  4. Step 4: Simplify right side
    294.38x = 53,379.22
  5. Step 5: Solve for x
    x = 53,379.22/294.38
  6. Step 6: Final answer
    x = 181.33

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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.