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Finding the Fourth Proportional to 1,763.26, 2,644.67 and 464.83

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Solution

The fourth proportional to 1,763.26, 2,644.67 and 464.83 is: 697.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,763.26 : 2,644.67 = 464.83 : x
  2. Step 2: Convert to fraction form
    1,763.26/2,644.67 = 464.83/x
  3. Step 3: Cross multiply
    1,763.26x = 2,644.67 × 464.83
  4. Step 4: Simplify right side
    1,763.26x = 1,229,321.96
  5. Step 5: Solve for x
    x = 1,229,321.96/1,763.26
  6. Step 6: Final answer
    x = 697.19

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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.