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Finding the Fourth Proportional to 362,137.38, 499,734.78 and 200,999.22

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Solution

The fourth proportional to 362,137.38, 499,734.78 and 200,999.22 is: 277,370.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,137.38 : 499,734.78 = 200,999.22 : x
  2. Step 2: Convert to fraction form
    362,137.38/499,734.78 = 200,999.22/x
  3. Step 3: Cross multiply
    362,137.38x = 499,734.78 × 200,999.22
  4. Step 4: Simplify right side
    362,137.38x = 100,446,300,986.87
  5. Step 5: Solve for x
    x = 100,446,300,986.87/362,137.38
  6. Step 6: Final answer
    x = 277,370.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.