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Finding the Fourth Proportional to 1,052.79, 1,453.11 and 610.95

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Solution

The fourth proportional to 1,052.79, 1,453.11 and 610.95 is: 843.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,052.79 : 1,453.11 = 610.95 : x
  2. Step 2: Convert to fraction form
    1,052.79/1,453.11 = 610.95/x
  3. Step 3: Cross multiply
    1,052.79x = 1,453.11 × 610.95
  4. Step 4: Simplify right side
    1,052.79x = 887,777.55
  5. Step 5: Solve for x
    x = 887,777.55/1,052.79
  6. Step 6: Final answer
    x = 843.26

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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.