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Finding the Fourth Proportional to 1,682.03, 2,522.95 and 449.53

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Solution

The fourth proportional to 1,682.03, 2,522.95 and 449.53 is: 674.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,682.03 : 2,522.95 = 449.53 : x
  2. Step 2: Convert to fraction form
    1,682.03/2,522.95 = 449.53/x
  3. Step 3: Cross multiply
    1,682.03x = 2,522.95 × 449.53
  4. Step 4: Simplify right side
    1,682.03x = 1,134,141.71
  5. Step 5: Solve for x
    x = 1,134,141.71/1,682.03
  6. Step 6: Final answer
    x = 674.27

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.