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Finding the Fourth Proportional to 1,763.31, 2,645.24 and 464.88

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Solution

The fourth proportional to 1,763.31, 2,645.24 and 464.88 is: 697.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,763.31 : 2,645.24 = 464.88 : x
  2. Step 2: Convert to fraction form
    1,763.31/2,645.24 = 464.88/x
  3. Step 3: Cross multiply
    1,763.31x = 2,645.24 × 464.88
  4. Step 4: Simplify right side
    1,763.31x = 1,229,716.85
  5. Step 5: Solve for x
    x = 1,229,716.85/1,763.31
  6. Step 6: Final answer
    x = 697.39

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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.