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Finding the Fourth Proportional to 376,719.93, 519,871.37 and 206,950.41

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Solution

The fourth proportional to 376,719.93, 519,871.37 and 206,950.41 is: 285,590.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,719.93 : 519,871.37 = 206,950.41 : x
  2. Step 2: Convert to fraction form
    376,719.93/519,871.37 = 206,950.41/x
  3. Step 3: Cross multiply
    376,719.93x = 519,871.37 × 206,950.41
  4. Step 4: Simplify right side
    376,719.93x = 107,587,592,134.01
  5. Step 5: Solve for x
    x = 107,587,592,134.01/376,719.93
  6. Step 6: Final answer
    x = 285,590.39

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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.