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Finding the Fourth Proportional to 399,692.23, 599,953.61 and 267,496.27

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Solution

The fourth proportional to 399,692.23, 599,953.61 and 267,496.27 is: 401,522.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,692.23 : 599,953.61 = 267,496.27 : x
  2. Step 2: Convert to fraction form
    399,692.23/599,953.61 = 267,496.27/x
  3. Step 3: Cross multiply
    399,692.23x = 599,953.61 × 267,496.27
  4. Step 4: Simplify right side
    399,692.23x = 160,485,352,848.04
  5. Step 5: Solve for x
    x = 160,485,352,848.04/399,692.23
  6. Step 6: Final answer
    x = 401,522.32

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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.