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Finding the Fourth Proportional to 379,493.37, 567,919.62 and 235,331.82

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Solution

The fourth proportional to 379,493.37, 567,919.62 and 235,331.82 is: 352,178.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,493.37 : 567,919.62 = 235,331.82 : x
  2. Step 2: Convert to fraction form
    379,493.37/567,919.62 = 235,331.82/x
  3. Step 3: Cross multiply
    379,493.37x = 567,919.62 × 235,331.82
  4. Step 4: Simplify right side
    379,493.37x = 133,649,557,788.31
  5. Step 5: Solve for x
    x = 133,649,557,788.31/379,493.37
  6. Step 6: Final answer
    x = 352,178.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.