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Finding the Fourth Proportional to 339,450.38, 509,241.21 and 114,847.41

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Solution

The fourth proportional to 339,450.38, 509,241.21 and 114,847.41 is: 172,293.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,450.38 : 509,241.21 = 114,847.41 : x
  2. Step 2: Convert to fraction form
    339,450.38/509,241.21 = 114,847.41/x
  3. Step 3: Cross multiply
    339,450.38x = 509,241.21 × 114,847.41
  4. Step 4: Simplify right side
    339,450.38x = 58,485,034,033.77
  5. Step 5: Solve for x
    x = 58,485,034,033.77/339,450.38
  6. Step 6: Final answer
    x = 172,293.32

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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.