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Finding the Fourth Proportional to 339,063.66, 467,913.79 and 186,116.16

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Solution

The fourth proportional to 339,063.66, 467,913.79 and 186,116.16 is: 256,843.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,063.66 : 467,913.79 = 186,116.16 : x
  2. Step 2: Convert to fraction form
    339,063.66/467,913.79 = 186,116.16/x
  3. Step 3: Cross multiply
    339,063.66x = 467,913.79 × 186,116.16
  4. Step 4: Simplify right side
    339,063.66x = 87,086,317,340.56
  5. Step 5: Solve for x
    x = 87,086,317,340.56/339,063.66
  6. Step 6: Final answer
    x = 256,843.56

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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.