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Finding the Fourth Proportional to 1,144.43, 1,716.10 and 527.96

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Solution

The fourth proportional to 1,144.43, 1,716.10 and 527.96 is: 791.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,144.43 : 1,716.10 = 527.96 : x
  2. Step 2: Convert to fraction form
    1,144.43/1,716.10 = 527.96/x
  3. Step 3: Cross multiply
    1,144.43x = 1,716.10 × 527.96
  4. Step 4: Simplify right side
    1,144.43x = 906,023.58
  5. Step 5: Solve for x
    x = 906,023.58/1,144.43
  6. Step 6: Final answer
    x = 791.68

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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.