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Finding the Fourth Proportional to 379,016.95, 568,822.54 and 264,419.52

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Solution

The fourth proportional to 379,016.95, 568,822.54 and 264,419.52 is: 396,836.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,016.95 : 568,822.54 = 264,419.52 : x
  2. Step 2: Convert to fraction form
    379,016.95/568,822.54 = 264,419.52/x
  3. Step 3: Cross multiply
    379,016.95x = 568,822.54 × 264,419.52
  4. Step 4: Simplify right side
    379,016.95x = 150,407,782,991.98
  5. Step 5: Solve for x
    x = 150,407,782,991.98/379,016.95
  6. Step 6: Final answer
    x = 396,836.56

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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.