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Finding the Fourth Proportional to 300,666.84, 451,083.28 and 267,617.84

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Solution

The fourth proportional to 300,666.84, 451,083.28 and 267,617.84 is: 401,500.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,666.84 : 451,083.28 = 267,617.84 : x
  2. Step 2: Convert to fraction form
    300,666.84/451,083.28 = 267,617.84/x
  3. Step 3: Cross multiply
    300,666.84x = 451,083.28 × 267,617.84
  4. Step 4: Simplify right side
    300,666.84x = 120,717,933,168.38
  5. Step 5: Solve for x
    x = 120,717,933,168.38/300,666.84
  6. Step 6: Final answer
    x = 401,500.66

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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.