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Finding the Fourth Proportional to 406.67, 610.92 and 244.47

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Solution

The fourth proportional to 406.67, 610.92 and 244.47 is: 367.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    406.67 : 610.92 = 244.47 : x
  2. Step 2: Convert to fraction form
    406.67/610.92 = 244.47/x
  3. Step 3: Cross multiply
    406.67x = 610.92 × 244.47
  4. Step 4: Simplify right side
    406.67x = 149,351.61
  5. Step 5: Solve for x
    x = 149,351.61/406.67
  6. Step 6: Final answer
    x = 367.26

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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.