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Finding the Fourth Proportional to 267,318.20, 401,366.10 and 201,222.20

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Solution

The fourth proportional to 267,318.20, 401,366.10 and 201,222.20 is: 302,125.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,318.20 : 401,366.10 = 201,222.20 : x
  2. Step 2: Convert to fraction form
    267,318.20/401,366.10 = 201,222.20/x
  3. Step 3: Cross multiply
    267,318.20x = 401,366.10 × 201,222.20
  4. Step 4: Simplify right side
    267,318.20x = 80,763,769,647.42
  5. Step 5: Solve for x
    x = 80,763,769,647.42/267,318.20
  6. Step 6: Final answer
    x = 302,125.97

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.