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Finding the Fourth Proportional to 451,757.97, 677,418.97 and 262,266.04

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Solution

The fourth proportional to 451,757.97, 677,418.97 and 262,266.04 is: 393,272.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,757.97 : 677,418.97 = 262,266.04 : x
  2. Step 2: Convert to fraction form
    451,757.97/677,418.97 = 262,266.04/x
  3. Step 3: Cross multiply
    451,757.97x = 677,418.97 × 262,266.04
  4. Step 4: Simplify right side
    451,757.97x = 177,663,989,317.06
  5. Step 5: Solve for x
    x = 177,663,989,317.06/451,757.97
  6. Step 6: Final answer
    x = 393,272.51

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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.