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Finding the Fourth Proportional to 454,162.44, 626,744.34 and 263,286.48

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Solution

The fourth proportional to 454,162.44, 626,744.34 and 263,286.48 is: 363,335.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,162.44 : 626,744.34 = 263,286.48 : x
  2. Step 2: Convert to fraction form
    454,162.44/626,744.34 = 263,286.48/x
  3. Step 3: Cross multiply
    454,162.44x = 626,744.34 × 263,286.48
  4. Step 4: Simplify right side
    454,162.44x = 165,013,311,138.52
  5. Step 5: Solve for x
    x = 165,013,311,138.52/454,162.44
  6. Step 6: Final answer
    x = 363,335.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.