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Finding the Fourth Proportional to 1,635.03, 2,452.11 and 464.78

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Solution

The fourth proportional to 1,635.03, 2,452.11 and 464.78 is: 697.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,635.03 : 2,452.11 = 464.78 : x
  2. Step 2: Convert to fraction form
    1,635.03/2,452.11 = 464.78/x
  3. Step 3: Cross multiply
    1,635.03x = 2,452.11 × 464.78
  4. Step 4: Simplify right side
    1,635.03x = 1,139,679.43
  5. Step 5: Solve for x
    x = 1,139,679.43/1,635.03
  6. Step 6: Final answer
    x = 697.04

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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.