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Finding the Fourth Proportional to 300,537.27, 450,893.74 and 134,286.39

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Solution

The fourth proportional to 300,537.27, 450,893.74 and 134,286.39 is: 201,468.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,537.27 : 450,893.74 = 134,286.39 : x
  2. Step 2: Convert to fraction form
    300,537.27/450,893.74 = 134,286.39/x
  3. Step 3: Cross multiply
    300,537.27x = 450,893.74 × 134,286.39
  4. Step 4: Simplify right side
    300,537.27x = 60,548,890,363.73
  5. Step 5: Solve for x
    x = 60,548,890,363.73/300,537.27
  6. Step 6: Final answer
    x = 201,468.83

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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.