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Finding the Fourth Proportional to 481.67, 722.58 and 173.44

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Solution

The fourth proportional to 481.67, 722.58 and 173.44 is: 260.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    481.67 : 722.58 = 173.44 : x
  2. Step 2: Convert to fraction form
    481.67/722.58 = 173.44/x
  3. Step 3: Cross multiply
    481.67x = 722.58 × 173.44
  4. Step 4: Simplify right side
    481.67x = 125,324.28
  5. Step 5: Solve for x
    x = 125,324.28/481.67
  6. Step 6: Final answer
    x = 260.19

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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.