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Finding the Fourth Proportional to 376,474.92, 519,542.82 and 206,707.56

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Solution

The fourth proportional to 376,474.92, 519,542.82 and 206,707.56 is: 285,260.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,474.92 : 519,542.82 = 206,707.56 : x
  2. Step 2: Convert to fraction form
    376,474.92/519,542.82 = 206,707.56/x
  3. Step 3: Cross multiply
    376,474.92x = 519,542.82 × 206,707.56
  4. Step 4: Simplify right side
    376,474.92x = 107,393,428,637.72
  5. Step 5: Solve for x
    x = 107,393,428,637.72/376,474.92
  6. Step 6: Final answer
    x = 285,260.51

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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.