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Finding the Fourth Proportional to 515,375.56, 773,050.59 and 199,832.53

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Solution

The fourth proportional to 515,375.56, 773,050.59 and 199,832.53 is: 299,743.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,375.56 : 773,050.59 = 199,832.53 : x
  2. Step 2: Convert to fraction form
    515,375.56/773,050.59 = 199,832.53/x
  3. Step 3: Cross multiply
    515,375.56x = 773,050.59 × 199,832.53
  4. Step 4: Simplify right side
    515,375.56x = 154,480,655,217.69
  5. Step 5: Solve for x
    x = 154,480,655,217.69/515,375.56
  6. Step 6: Final answer
    x = 299,743.85

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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.