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Finding the Fourth Proportional to 568,099.65, 783,993.91 and 313,467.24

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Solution

The fourth proportional to 568,099.65, 783,993.91 and 313,467.24 is: 432,593.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,099.65 : 783,993.91 = 313,467.24 : x
  2. Step 2: Convert to fraction form
    568,099.65/783,993.91 = 313,467.24/x
  3. Step 3: Cross multiply
    568,099.65x = 783,993.91 × 313,467.24
  4. Step 4: Simplify right side
    568,099.65x = 245,756,404,400.86
  5. Step 5: Solve for x
    x = 245,756,404,400.86/568,099.65
  6. Step 6: Final answer
    x = 432,593.83

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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.