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Finding the Fourth Proportional to 568,620.46, 784,413.07 and 339,016.11

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Solution

The fourth proportional to 568,620.46, 784,413.07 and 339,016.11 is: 467,673.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,620.46 : 784,413.07 = 339,016.11 : x
  2. Step 2: Convert to fraction form
    568,620.46/784,413.07 = 339,016.11/x
  3. Step 3: Cross multiply
    568,620.46x = 784,413.07 × 339,016.11
  4. Step 4: Simplify right side
    568,620.46x = 265,928,667,624.56
  5. Step 5: Solve for x
    x = 265,928,667,624.56/568,620.46
  6. Step 6: Final answer
    x = 467,673.41

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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.