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Finding the Fourth Proportional to 1,469.43, 2,204.37 and 481.92

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Solution

The fourth proportional to 1,469.43, 2,204.37 and 481.92 is: 722.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,469.43 : 2,204.37 = 481.92 : x
  2. Step 2: Convert to fraction form
    1,469.43/2,204.37 = 481.92/x
  3. Step 3: Cross multiply
    1,469.43x = 2,204.37 × 481.92
  4. Step 4: Simplify right side
    1,469.43x = 1,062,329.99
  5. Step 5: Solve for x
    x = 1,062,329.99/1,469.43
  6. Step 6: Final answer
    x = 722.95

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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.