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Finding the Fourth Proportional to 496,017.62, 744,331 and 394,213.44

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Solution

The fourth proportional to 496,017.62, 744,331 and 394,213.44 is: 591,562.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,017.62 : 744,331 = 394,213.44 : x
  2. Step 2: Convert to fraction form
    496,017.62/744,331 = 394,213.44/x
  3. Step 3: Cross multiply
    496,017.62x = 744,331 × 394,213.44
  4. Step 4: Simplify right side
    496,017.62x = 293,425,284,008.64
  5. Step 5: Solve for x
    x = 293,425,284,008.64/496,017.62
  6. Step 6: Final answer
    x = 591,562.22

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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.