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Finding the Fourth Proportional to 610.11, 913.43 and 552.44

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Solution

The fourth proportional to 610.11, 913.43 and 552.44 is: 827.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    610.11 : 913.43 = 552.44 : x
  2. Step 2: Convert to fraction form
    610.11/913.43 = 552.44/x
  3. Step 3: Cross multiply
    610.11x = 913.43 × 552.44
  4. Step 4: Simplify right side
    610.11x = 504,610.70
  5. Step 5: Solve for x
    x = 504,610.70/610.11
  6. Step 6: Final answer
    x = 827.09

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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.