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Finding the Fourth Proportional to 400,471.44, 600,377.82 and 187,133.82

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Solution

The fourth proportional to 400,471.44, 600,377.82 and 187,133.82 is: 280,546.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,471.44 : 600,377.82 = 187,133.82 : x
  2. Step 2: Convert to fraction form
    400,471.44/600,377.82 = 187,133.82/x
  3. Step 3: Cross multiply
    400,471.44x = 600,377.82 × 187,133.82
  4. Step 4: Simplify right side
    400,471.44x = 112,350,994,899.87
  5. Step 5: Solve for x
    x = 112,350,994,899.87/400,471.44
  6. Step 6: Final answer
    x = 280,546.83

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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.