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Finding the Fourth Proportional to 481.75, 722.44 and 173.52

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Solution

The fourth proportional to 481.75, 722.44 and 173.52 is: 260.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    481.75 : 722.44 = 173.52 : x
  2. Step 2: Convert to fraction form
    481.75/722.44 = 173.52/x
  3. Step 3: Cross multiply
    481.75x = 722.44 × 173.52
  4. Step 4: Simplify right side
    481.75x = 125,360.71
  5. Step 5: Solve for x
    x = 125,360.71/481.75
  6. Step 6: Final answer
    x = 260.22

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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.