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Finding the Fourth Proportional to 361,662.02, 499,091.18 and 200,517.11

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Solution

The fourth proportional to 361,662.02, 499,091.18 and 200,517.11 is: 276,712.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,662.02 : 499,091.18 = 200,517.11 : x
  2. Step 2: Convert to fraction form
    361,662.02/499,091.18 = 200,517.11/x
  3. Step 3: Cross multiply
    361,662.02x = 499,091.18 × 200,517.11
  4. Step 4: Simplify right side
    361,662.02x = 100,076,321,040.09
  5. Step 5: Solve for x
    x = 100,076,321,040.09/361,662.02
  6. Step 6: Final answer
    x = 276,712.28

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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.