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Finding the Fourth Proportional to 325,692.83, 490,757.89 and 267,824.81

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Solution

The fourth proportional to 325,692.83, 490,757.89 and 267,824.81 is: 403,561.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,692.83 : 490,757.89 = 267,824.81 : x
  2. Step 2: Convert to fraction form
    325,692.83/490,757.89 = 267,824.81/x
  3. Step 3: Cross multiply
    325,692.83x = 490,757.89 × 267,824.81
  4. Step 4: Simplify right side
    325,692.83x = 131,437,136,191.46
  5. Step 5: Solve for x
    x = 131,437,136,191.46/325,692.83
  6. Step 6: Final answer
    x = 403,561.66

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.