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Finding the Fourth Proportional to 362,401.62, 543,613.80 and 172,882.68

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Solution

The fourth proportional to 362,401.62, 543,613.80 and 172,882.68 is: 259,329.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,401.62 : 543,613.80 = 172,882.68 : x
  2. Step 2: Convert to fraction form
    362,401.62/543,613.80 = 172,882.68/x
  3. Step 3: Cross multiply
    362,401.62x = 543,613.80 × 172,882.68
  4. Step 4: Simplify right side
    362,401.62x = 93,981,410,628.98
  5. Step 5: Solve for x
    x = 93,981,410,628.98/362,401.62
  6. Step 6: Final answer
    x = 259,329.44

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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.