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Finding the Fourth Proportional to 323,992.94, 486,206.33 and 134,453.49

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Solution

The fourth proportional to 323,992.94, 486,206.33 and 134,453.49 is: 201,770.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,992.94 : 486,206.33 = 134,453.49 : x
  2. Step 2: Convert to fraction form
    323,992.94/486,206.33 = 134,453.49/x
  3. Step 3: Cross multiply
    323,992.94x = 486,206.33 × 134,453.49
  4. Step 4: Simplify right side
    323,992.94x = 65,372,135,433.05
  5. Step 5: Solve for x
    x = 65,372,135,433.05/323,992.94
  6. Step 6: Final answer
    x = 201,770.25

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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.