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Finding the Fourth Proportional to 294.48, 441.42 and 120.96

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Solution

The fourth proportional to 294.48, 441.42 and 120.96 is: 181.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    294.48 : 441.42 = 120.96 : x
  2. Step 2: Convert to fraction form
    294.48/441.42 = 120.96/x
  3. Step 3: Cross multiply
    294.48x = 441.42 × 120.96
  4. Step 4: Simplify right side
    294.48x = 53,394.16
  5. Step 5: Solve for x
    x = 53,394.16/294.48
  6. Step 6: Final answer
    x = 181.32

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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.