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Finding the Fourth Proportional to 1,067.03, 1,600.76 and 450.73

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Solution

The fourth proportional to 1,067.03, 1,600.76 and 450.73 is: 676.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,067.03 : 1,600.76 = 450.73 : x
  2. Step 2: Convert to fraction form
    1,067.03/1,600.76 = 450.73/x
  3. Step 3: Cross multiply
    1,067.03x = 1,600.76 × 450.73
  4. Step 4: Simplify right side
    1,067.03x = 721,510.55
  5. Step 5: Solve for x
    x = 721,510.55/1,067.03
  6. Step 6: Final answer
    x = 676.19

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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.