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Finding the Fourth Proportional to 294.32, 441.18 and 120.92

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Solution

The fourth proportional to 294.32, 441.18 and 120.92 is: 181.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    294.32 : 441.18 = 120.92 : x
  2. Step 2: Convert to fraction form
    294.32/441.18 = 120.92/x
  3. Step 3: Cross multiply
    294.32x = 441.18 × 120.92
  4. Step 4: Simplify right side
    294.32x = 53,347.49
  5. Step 5: Solve for x
    x = 53,347.49/294.32
  6. Step 6: Final answer
    x = 181.26

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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.