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Finding the Fourth Proportional to 1,464.55, 2,198.14 and 734.54

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Solution

The fourth proportional to 1,464.55, 2,198.14 and 734.54 is: 1,102.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,464.55 : 2,198.14 = 734.54 : x
  2. Step 2: Convert to fraction form
    1,464.55/2,198.14 = 734.54/x
  3. Step 3: Cross multiply
    1,464.55x = 2,198.14 × 734.54
  4. Step 4: Simplify right side
    1,464.55x = 1,614,608.93
  5. Step 5: Solve for x
    x = 1,614,608.93/1,464.55
  6. Step 6: Final answer
    x = 1,102.46

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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.