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Finding the Fourth Proportional to 339,906.67, 469,083.02 and 186,956.46

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Solution

The fourth proportional to 339,906.67, 469,083.02 and 186,956.46 is: 258,006.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,906.67 : 469,083.02 = 186,956.46 : x
  2. Step 2: Convert to fraction form
    339,906.67/469,083.02 = 186,956.46/x
  3. Step 3: Cross multiply
    339,906.67x = 469,083.02 × 186,956.46
  4. Step 4: Simplify right side
    339,906.67x = 87,698,099,930.53
  5. Step 5: Solve for x
    x = 87,698,099,930.53/339,906.67
  6. Step 6: Final answer
    x = 258,006.41

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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.