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Finding the Fourth Proportional to 402.67, 604.41 and 294.13

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Solution

The fourth proportional to 402.67, 604.41 and 294.13 is: 441.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    402.67 : 604.41 = 294.13 : x
  2. Step 2: Convert to fraction form
    402.67/604.41 = 294.13/x
  3. Step 3: Cross multiply
    402.67x = 604.41 × 294.13
  4. Step 4: Simplify right side
    402.67x = 177,770.62
  5. Step 5: Solve for x
    x = 177,770.62/402.67
  6. Step 6: Final answer
    x = 441.49

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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.