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Finding the Fourth Proportional to 484,162.88, 667,675.68 and 323,024.48

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Solution

The fourth proportional to 484,162.88, 667,675.68 and 323,024.48 is: 445,460.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,162.88 : 667,675.68 = 323,024.48 : x
  2. Step 2: Convert to fraction form
    484,162.88/667,675.68 = 323,024.48/x
  3. Step 3: Cross multiply
    484,162.88x = 667,675.68 × 323,024.48
  4. Step 4: Simplify right side
    484,162.88x = 215,675,589,340.65
  5. Step 5: Solve for x
    x = 215,675,589,340.65/484,162.88
  6. Step 6: Final answer
    x = 445,460.81

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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.