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Finding the Fourth Proportional to 294.04, 441.11 and 111.45

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Solution

The fourth proportional to 294.04, 441.11 and 111.45 is: 167.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    294.04 : 441.11 = 111.45 : x
  2. Step 2: Convert to fraction form
    294.04/441.11 = 111.45/x
  3. Step 3: Cross multiply
    294.04x = 441.11 × 111.45
  4. Step 4: Simplify right side
    294.04x = 49,161.71
  5. Step 5: Solve for x
    x = 49,161.71/294.04
  6. Step 6: Final answer
    x = 167.19

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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.