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Finding the Fourth Proportional to 294.18, 441.27 and 111.54

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Solution

The fourth proportional to 294.18, 441.27 and 111.54 is: 167.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    294.18 : 441.27 = 111.54 : x
  2. Step 2: Convert to fraction form
    294.18/441.27 = 111.54/x
  3. Step 3: Cross multiply
    294.18x = 441.27 × 111.54
  4. Step 4: Simplify right side
    294.18x = 49,219.26
  5. Step 5: Solve for x
    x = 49,219.26/294.18
  6. Step 6: Final answer
    x = 167.31

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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.