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Finding the Fourth Proportional to 1,052.67, 1,452.47 and 610.55

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Solution

The fourth proportional to 1,052.67, 1,452.47 and 610.55 is: 842.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,052.67 : 1,452.47 = 610.55 : x
  2. Step 2: Convert to fraction form
    1,052.67/1,452.47 = 610.55/x
  3. Step 3: Cross multiply
    1,052.67x = 1,452.47 × 610.55
  4. Step 4: Simplify right side
    1,052.67x = 886,795.24
  5. Step 5: Solve for x
    x = 886,795.24/1,052.67
  6. Step 6: Final answer
    x = 842.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.