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Finding the Fourth Proportional to 376,756.56, 519,906.33 and 206,987.04

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Solution

The fourth proportional to 376,756.56, 519,906.33 and 206,987.04 is: 285,632.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,756.56 : 519,906.33 = 206,987.04 : x
  2. Step 2: Convert to fraction form
    376,756.56/519,906.33 = 206,987.04/x
  3. Step 3: Cross multiply
    376,756.56x = 519,906.33 × 206,987.04
  4. Step 4: Simplify right side
    376,756.56x = 107,613,872,323.96
  5. Step 5: Solve for x
    x = 107,613,872,323.96/376,756.56
  6. Step 6: Final answer
    x = 285,632.38

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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.