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Finding the Fourth Proportional to 343,759.88, 515,843.96 and 185,984.84

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Solution

The fourth proportional to 343,759.88, 515,843.96 and 185,984.84 is: 279,087.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,759.88 : 515,843.96 = 185,984.84 : x
  2. Step 2: Convert to fraction form
    343,759.88/515,843.96 = 185,984.84/x
  3. Step 3: Cross multiply
    343,759.88x = 515,843.96 × 185,984.84
  4. Step 4: Simplify right side
    343,759.88x = 95,939,156,365.57
  5. Step 5: Solve for x
    x = 95,939,156,365.57/343,759.88
  6. Step 6: Final answer
    x = 279,087.71

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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.