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Finding the Fourth Proportional to 1,144.44, 1,716.66 and 495.62

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Solution

The fourth proportional to 1,144.44, 1,716.66 and 495.62 is: 743.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,144.44 : 1,716.66 = 495.62 : x
  2. Step 2: Convert to fraction form
    1,144.44/1,716.66 = 495.62/x
  3. Step 3: Cross multiply
    1,144.44x = 1,716.66 × 495.62
  4. Step 4: Simplify right side
    1,144.44x = 850,811.03
  5. Step 5: Solve for x
    x = 850,811.03/1,144.44
  6. Step 6: Final answer
    x = 743.43

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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.