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Finding the Fourth Proportional to 425,908.44, 587,743.35 and 234,917.73

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Solution

The fourth proportional to 425,908.44, 587,743.35 and 234,917.73 is: 324,180.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,908.44 : 587,743.35 = 234,917.73 : x
  2. Step 2: Convert to fraction form
    425,908.44/587,743.35 = 234,917.73/x
  3. Step 3: Cross multiply
    425,908.44x = 587,743.35 × 234,917.73
  4. Step 4: Simplify right side
    425,908.44x = 138,071,333,604.60
  5. Step 5: Solve for x
    x = 138,071,333,604.60/425,908.44
  6. Step 6: Final answer
    x = 324,180.79

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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.