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Finding the Fourth Proportional to 376,234.44, 519,209.86 and 206,484.36

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Solution

The fourth proportional to 376,234.44, 519,209.86 and 206,484.36 is: 284,951.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,234.44 : 519,209.86 = 206,484.36 : x
  2. Step 2: Convert to fraction form
    376,234.44/519,209.86 = 206,484.36/x
  3. Step 3: Cross multiply
    376,234.44x = 519,209.86 × 206,484.36
  4. Step 4: Simplify right side
    376,234.44x = 107,208,715,647.79
  5. Step 5: Solve for x
    x = 107,208,715,647.79/376,234.44
  6. Step 6: Final answer
    x = 284,951.89

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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.