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Finding the Fourth Proportional to 379,213.68, 568,986.60 and 179,676.48

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Solution

The fourth proportional to 379,213.68, 568,986.60 and 179,676.48 is: 269,593.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,213.68 : 568,986.60 = 179,676.48 : x
  2. Step 2: Convert to fraction form
    379,213.68/568,986.60 = 179,676.48/x
  3. Step 3: Cross multiply
    379,213.68x = 568,986.60 × 179,676.48
  4. Step 4: Simplify right side
    379,213.68x = 102,233,509,455.17
  5. Step 5: Solve for x
    x = 102,233,509,455.17/379,213.68
  6. Step 6: Final answer
    x = 269,593.41

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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.