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Finding the Fourth Proportional to 568,377.92, 851,996.64 and 194,144.96

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Solution

The fourth proportional to 568,377.92, 851,996.64 and 194,144.96 is: 291,022.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,377.92 : 851,996.64 = 194,144.96 : x
  2. Step 2: Convert to fraction form
    568,377.92/851,996.64 = 194,144.96/x
  3. Step 3: Cross multiply
    568,377.92x = 851,996.64 × 194,144.96
  4. Step 4: Simplify right side
    568,377.92x = 165,410,853,592.93
  5. Step 5: Solve for x
    x = 165,410,853,592.93/568,377.92
  6. Step 6: Final answer
    x = 291,022.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.