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Finding the Fourth Proportional to 1,456.44, 2,183.95 and 531.73

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Solution

The fourth proportional to 1,456.44, 2,183.95 and 531.73 is: 797.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,456.44 : 2,183.95 = 531.73 : x
  2. Step 2: Convert to fraction form
    1,456.44/2,183.95 = 531.73/x
  3. Step 3: Cross multiply
    1,456.44x = 2,183.95 × 531.73
  4. Step 4: Simplify right side
    1,456.44x = 1,161,271.73
  5. Step 5: Solve for x
    x = 1,161,271.73/1,456.44
  6. Step 6: Final answer
    x = 797.34

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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.