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Finding the Fourth Proportional to 337,185.69, 505,449.80 and 134,721.44

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Solution

The fourth proportional to 337,185.69, 505,449.80 and 134,721.44 is: 201,950.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,185.69 : 505,449.80 = 134,721.44 : x
  2. Step 2: Convert to fraction form
    337,185.69/505,449.80 = 134,721.44/x
  3. Step 3: Cross multiply
    337,185.69x = 505,449.80 × 134,721.44
  4. Step 4: Simplify right side
    337,185.69x = 68,094,923,439.73
  5. Step 5: Solve for x
    x = 68,094,923,439.73/337,185.69
  6. Step 6: Final answer
    x = 201,950.81

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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.