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Finding the Fourth Proportional to 1,163.34, 1,745.34 and 460.73

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Solution

The fourth proportional to 1,163.34, 1,745.34 and 460.73 is: 691.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,163.34 : 1,745.34 = 460.73 : x
  2. Step 2: Convert to fraction form
    1,163.34/1,745.34 = 460.73/x
  3. Step 3: Cross multiply
    1,163.34x = 1,745.34 × 460.73
  4. Step 4: Simplify right side
    1,163.34x = 804,121.77
  5. Step 5: Solve for x
    x = 804,121.77/1,163.34
  6. Step 6: Final answer
    x = 691.22

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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.