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Finding the Fourth Proportional to 1,144.44, 1,717 and 566.90

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Solution

The fourth proportional to 1,144.44, 1,717 and 566.90 is: 850.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,144.44 : 1,717 = 566.90 : x
  2. Step 2: Convert to fraction form
    1,144.44/1,717 = 566.90/x
  3. Step 3: Cross multiply
    1,144.44x = 1,717 × 566.90
  4. Step 4: Simplify right side
    1,144.44x = 973,367.30
  5. Step 5: Solve for x
    x = 973,367.30/1,144.44
  6. Step 6: Final answer
    x = 850.52

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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.