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Finding the Fourth Proportional to 1,052.76, 1,452.82 and 610.70

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Solution

The fourth proportional to 1,052.76, 1,452.82 and 610.70 is: 842.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,052.76 : 1,452.82 = 610.70 : x
  2. Step 2: Convert to fraction form
    1,052.76/1,452.82 = 610.70/x
  3. Step 3: Cross multiply
    1,052.76x = 1,452.82 × 610.70
  4. Step 4: Simplify right side
    1,052.76x = 887,237.17
  5. Step 5: Solve for x
    x = 887,237.17/1,052.76
  6. Step 6: Final answer
    x = 842.77

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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.