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Finding the Fourth Proportional to 376,216.96, 519,149.76 and 206,450.56

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Solution

The fourth proportional to 376,216.96, 519,149.76 and 206,450.56 is: 284,885.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,216.96 : 519,149.76 = 206,450.56 : x
  2. Step 2: Convert to fraction form
    376,216.96/519,149.76 = 206,450.56/x
  3. Step 3: Cross multiply
    376,216.96x = 519,149.76 × 206,450.56
  4. Step 4: Simplify right side
    376,216.96x = 107,178,758,675.87
  5. Step 5: Solve for x
    x = 107,178,758,675.87/376,216.96
  6. Step 6: Final answer
    x = 284,885.51

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1.5x scale

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.