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Finding the Fourth Proportional to 522,183, 720,613.26 and 295,843.80

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Solution

The fourth proportional to 522,183, 720,613.26 and 295,843.80 is: 408,264.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,183 : 720,613.26 = 295,843.80 : x
  2. Step 2: Convert to fraction form
    522,183/720,613.26 = 295,843.80/x
  3. Step 3: Cross multiply
    522,183x = 720,613.26 × 295,843.80
  4. Step 4: Simplify right side
    522,183x = 213,188,965,168.79
  5. Step 5: Solve for x
    x = 213,188,965,168.79/522,183
  6. Step 6: Final answer
    x = 408,264.85

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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.