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Finding the Fourth Proportional to 339,160.26, 468,046.66 and 186,212.56

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Solution

The fourth proportional to 339,160.26, 468,046.66 and 186,212.56 is: 256,976.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,160.26 : 468,046.66 = 186,212.56 : x
  2. Step 2: Convert to fraction form
    339,160.26/468,046.66 = 186,212.56/x
  3. Step 3: Cross multiply
    339,160.26x = 468,046.66 × 186,212.56
  4. Step 4: Simplify right side
    339,160.26x = 87,156,166,758.05
  5. Step 5: Solve for x
    x = 87,156,166,758.05/339,160.26
  6. Step 6: Final answer
    x = 256,976.35

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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.