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Finding the Fourth Proportional to 1,496.75, 2,245.43 and 523.53

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Solution

The fourth proportional to 1,496.75, 2,245.43 and 523.53 is: 785.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,496.75 : 2,245.43 = 523.53 : x
  2. Step 2: Convert to fraction form
    1,496.75/2,245.43 = 523.53/x
  3. Step 3: Cross multiply
    1,496.75x = 2,245.43 × 523.53
  4. Step 4: Simplify right side
    1,496.75x = 1,175,557.73
  5. Step 5: Solve for x
    x = 1,175,557.73/1,496.75
  6. Step 6: Final answer
    x = 785.41

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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.