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Finding the Fourth Proportional to 400,224.22, 600,249.98 and 126,692.03

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Solution

The fourth proportional to 400,224.22, 600,249.98 and 126,692.03 is: 190,010.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,224.22 : 600,249.98 = 126,692.03 : x
  2. Step 2: Convert to fraction form
    400,224.22/600,249.98 = 126,692.03/x
  3. Step 3: Cross multiply
    400,224.22x = 600,249.98 × 126,692.03
  4. Step 4: Simplify right side
    400,224.22x = 76,046,890,291.01
  5. Step 5: Solve for x
    x = 76,046,890,291.01/400,224.22
  6. Step 6: Final answer
    x = 190,010.72

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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.