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Finding the Fourth Proportional to 339,162.26, 468,049.42 and 186,214.56

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Solution

The fourth proportional to 339,162.26, 468,049.42 and 186,214.56 is: 256,979.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,162.26 : 468,049.42 = 186,214.56 : x
  2. Step 2: Convert to fraction form
    339,162.26/468,049.42 = 186,214.56/x
  3. Step 3: Cross multiply
    339,162.26x = 468,049.42 × 186,214.56
  4. Step 4: Simplify right side
    339,162.26x = 87,157,616,803.56
  5. Step 5: Solve for x
    x = 87,157,616,803.56/339,162.26
  6. Step 6: Final answer
    x = 256,979.11

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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.