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Finding the Fourth Proportional to 379,676.66, 569,795.37 and 179,997.75

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Solution

The fourth proportional to 379,676.66, 569,795.37 and 179,997.75 is: 270,129.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,676.66 : 569,795.37 = 179,997.75 : x
  2. Step 2: Convert to fraction form
    379,676.66/569,795.37 = 179,997.75/x
  3. Step 3: Cross multiply
    379,676.66x = 569,795.37 × 179,997.75
  4. Step 4: Simplify right side
    379,676.66x = 102,561,884,560.42
  5. Step 5: Solve for x
    x = 102,561,884,560.42/379,676.66
  6. Step 6: Final answer
    x = 270,129.55

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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.