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Finding the Fourth Proportional to 1,464.44, 2,197.39 and 684.50

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Solution

The fourth proportional to 1,464.44, 2,197.39 and 684.50 is: 1,027.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,464.44 : 2,197.39 = 684.50 : x
  2. Step 2: Convert to fraction form
    1,464.44/2,197.39 = 684.50/x
  3. Step 3: Cross multiply
    1,464.44x = 2,197.39 × 684.50
  4. Step 4: Simplify right side
    1,464.44x = 1,504,104.54
  5. Step 5: Solve for x
    x = 1,504,104.54/1,464.44
  6. Step 6: Final answer
    x = 1,027.08

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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.