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Finding the Fourth Proportional to 339,793.30, 468,926.80 and 186,843.14

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Solution

The fourth proportional to 339,793.30, 468,926.80 and 186,843.14 is: 257,850.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,793.30 : 468,926.80 = 186,843.14 : x
  2. Step 2: Convert to fraction form
    339,793.30/468,926.80 = 186,843.14/x
  3. Step 3: Cross multiply
    339,793.30x = 468,926.80 × 186,843.14
  4. Step 4: Simplify right side
    339,793.30x = 87,615,755,742.15
  5. Step 5: Solve for x
    x = 87,615,755,742.15/339,793.30
  6. Step 6: Final answer
    x = 257,850.16

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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.