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Finding the Fourth Proportional to 664,344.46, 996,033.92 and 264,865.42

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Solution

The fourth proportional to 664,344.46, 996,033.92 and 264,865.42 is: 397,105.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,344.46 : 996,033.92 = 264,865.42 : x
  2. Step 2: Convert to fraction form
    664,344.46/996,033.92 = 264,865.42/x
  3. Step 3: Cross multiply
    664,344.46x = 996,033.92 × 264,865.42
  4. Step 4: Simplify right side
    664,344.46x = 263,814,940,727.13
  5. Step 5: Solve for x
    x = 263,814,940,727.13/664,344.46
  6. Step 6: Final answer
    x = 397,105.65

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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.