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Finding the Fourth Proportional to 323,604.28, 485,625.10 and 113,244.04

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Solution

The fourth proportional to 323,604.28, 485,625.10 and 113,244.04 is: 169,942.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,604.28 : 485,625.10 = 113,244.04 : x
  2. Step 2: Convert to fraction form
    323,604.28/485,625.10 = 113,244.04/x
  3. Step 3: Cross multiply
    323,604.28x = 485,625.10 × 113,244.04
  4. Step 4: Simplify right side
    323,604.28x = 54,994,148,249.40
  5. Step 5: Solve for x
    x = 54,994,148,249.40/323,604.28
  6. Step 6: Final answer
    x = 169,942.59

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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.