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Finding the Fourth Proportional to 339,531.92, 468,553.91 and 186,579.96

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Solution

The fourth proportional to 339,531.92, 468,553.91 and 186,579.96 is: 257,480.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,531.92 : 468,553.91 = 186,579.96 : x
  2. Step 2: Convert to fraction form
    339,531.92/468,553.91 = 186,579.96/x
  3. Step 3: Cross multiply
    339,531.92x = 468,553.91 × 186,579.96
  4. Step 4: Simplify right side
    339,531.92x = 87,422,769,785.64
  5. Step 5: Solve for x
    x = 87,422,769,785.64/339,531.92
  6. Step 6: Final answer
    x = 257,480.27

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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.