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Finding the Fourth Proportional to 454,992, 681,139.68 and 337,191.84

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Solution

The fourth proportional to 454,992, 681,139.68 and 337,191.84 is: 504,788.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,992 : 681,139.68 = 337,191.84 : x
  2. Step 2: Convert to fraction form
    454,992/681,139.68 = 337,191.84/x
  3. Step 3: Cross multiply
    454,992x = 681,139.68 × 337,191.84
  4. Step 4: Simplify right side
    454,992x = 229,674,741,996.21
  5. Step 5: Solve for x
    x = 229,674,741,996.21/454,992
  6. Step 6: Final answer
    x = 504,788.53

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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.