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Finding the Fourth Proportional to 293,843.39, 440,730.44 and 80,632.86

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Solution

The fourth proportional to 293,843.39, 440,730.44 and 80,632.86 is: 120,939.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,843.39 : 440,730.44 = 80,632.86 : x
  2. Step 2: Convert to fraction form
    293,843.39/440,730.44 = 80,632.86/x
  3. Step 3: Cross multiply
    293,843.39x = 440,730.44 × 80,632.86
  4. Step 4: Simplify right side
    293,843.39x = 35,537,355,463.09
  5. Step 5: Solve for x
    x = 35,537,355,463.09/293,843.39
  6. Step 6: Final answer
    x = 120,939.78

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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.