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Finding the Fourth Proportional to 1,052.60, 1,452.46 and 610.48

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Solution

The fourth proportional to 1,052.60, 1,452.46 and 610.48 is: 842.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,052.60 : 1,452.46 = 610.48 : x
  2. Step 2: Convert to fraction form
    1,052.60/1,452.46 = 610.48/x
  3. Step 3: Cross multiply
    1,052.60x = 1,452.46 × 610.48
  4. Step 4: Simplify right side
    1,052.60x = 886,697.78
  5. Step 5: Solve for x
    x = 886,697.78/1,052.60
  6. Step 6: Final answer
    x = 842.39

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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.