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Finding the Fourth Proportional to 481.04, 663.66 and 294.44

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Solution

The fourth proportional to 481.04, 663.66 and 294.44 is: 406.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    481.04 : 663.66 = 294.44 : x
  2. Step 2: Convert to fraction form
    481.04/663.66 = 294.44/x
  3. Step 3: Cross multiply
    481.04x = 663.66 × 294.44
  4. Step 4: Simplify right side
    481.04x = 195,408.05
  5. Step 5: Solve for x
    x = 195,408.05/481.04
  6. Step 6: Final answer
    x = 406.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.