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Finding the Fourth Proportional to 376,406.39, 519,441.26 and 204,324.19

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Solution

The fourth proportional to 376,406.39, 519,441.26 and 204,324.19 is: 281,967.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,406.39 : 519,441.26 = 204,324.19 : x
  2. Step 2: Convert to fraction form
    376,406.39/519,441.26 = 204,324.19/x
  3. Step 3: Cross multiply
    376,406.39x = 519,441.26 × 204,324.19
  4. Step 4: Simplify right side
    376,406.39x = 106,134,412,381.86
  5. Step 5: Solve for x
    x = 106,134,412,381.86/376,406.39
  6. Step 6: Final answer
    x = 281,967.61

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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.