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Finding the Fourth Proportional to 1,763, 2,644.48 and 464.48

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Solution

The fourth proportional to 1,763, 2,644.48 and 464.48 is: 696.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,763 : 2,644.48 = 464.48 : x
  2. Step 2: Convert to fraction form
    1,763/2,644.48 = 464.48/x
  3. Step 3: Cross multiply
    1,763x = 2,644.48 × 464.48
  4. Step 4: Simplify right side
    1,763x = 1,228,308.07
  5. Step 5: Solve for x
    x = 1,228,308.07/1,763
  6. Step 6: Final answer
    x = 696.71

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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.