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Finding the Fourth Proportional to 321,793.39, 444,077.94 and 178,566.76

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Solution

The fourth proportional to 321,793.39, 444,077.94 and 178,566.76 is: 246,423.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,793.39 : 444,077.94 = 178,566.76 : x
  2. Step 2: Convert to fraction form
    321,793.39/444,077.94 = 178,566.76/x
  3. Step 3: Cross multiply
    321,793.39x = 444,077.94 × 178,566.76
  4. Step 4: Simplify right side
    321,793.39x = 79,297,558,933.27
  5. Step 5: Solve for x
    x = 79,297,558,933.27/321,793.39
  6. Step 6: Final answer
    x = 246,423.83

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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.