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Finding the Fourth Proportional to 1,469.70, 2,204.34 and 495.67

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Solution

The fourth proportional to 1,469.70, 2,204.34 and 495.67 is: 743.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,469.70 : 2,204.34 = 495.67 : x
  2. Step 2: Convert to fraction form
    1,469.70/2,204.34 = 495.67/x
  3. Step 3: Cross multiply
    1,469.70x = 2,204.34 × 495.67
  4. Step 4: Simplify right side
    1,469.70x = 1,092,625.21
  5. Step 5: Solve for x
    x = 1,092,625.21/1,469.70
  6. Step 6: Final answer
    x = 743.44

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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.