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Finding the Fourth Proportional to 379,216.68, 568,991.10 and 179,679.48

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Solution

The fourth proportional to 379,216.68, 568,991.10 and 179,679.48 is: 269,597.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,216.68 : 568,991.10 = 179,679.48 : x
  2. Step 2: Convert to fraction form
    379,216.68/568,991.10 = 179,679.48/x
  3. Step 3: Cross multiply
    379,216.68x = 568,991.10 × 179,679.48
  4. Step 4: Simplify right side
    379,216.68x = 102,236,024,972.63
  5. Step 5: Solve for x
    x = 102,236,024,972.63/379,216.68
  6. Step 6: Final answer
    x = 269,597.91

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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.