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Finding the Fourth Proportional to 339,793.86, 468,927.56 and 186,843.70

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Solution

The fourth proportional to 339,793.86, 468,927.56 and 186,843.70 is: 257,850.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,793.86 : 468,927.56 = 186,843.70 : x
  2. Step 2: Convert to fraction form
    339,793.86/468,927.56 = 186,843.70/x
  3. Step 3: Cross multiply
    339,793.86x = 468,927.56 × 186,843.70
  4. Step 4: Simplify right side
    339,793.86x = 87,616,160,342.37
  5. Step 5: Solve for x
    x = 87,616,160,342.37/339,793.86
  6. Step 6: Final answer
    x = 257,850.92

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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.