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Finding the Fourth Proportional to 367,737.89, 507,475.27 and 206,589.55

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Solution

The fourth proportional to 367,737.89, 507,475.27 and 206,589.55 is: 285,091.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,737.89 : 507,475.27 = 206,589.55 : x
  2. Step 2: Convert to fraction form
    367,737.89/507,475.27 = 206,589.55/x
  3. Step 3: Cross multiply
    367,737.89x = 507,475.27 × 206,589.55
  4. Step 4: Simplify right side
    367,737.89x = 104,839,087,665.43
  5. Step 5: Solve for x
    x = 104,839,087,665.43/367,737.89
  6. Step 6: Final answer
    x = 285,091.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.