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Finding the Fourth Proportional to 332,344.82, 497,642.43 and 198,908.66

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Solution

The fourth proportional to 332,344.82, 497,642.43 and 198,908.66 is: 297,839.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,344.82 : 497,642.43 = 198,908.66 : x
  2. Step 2: Convert to fraction form
    332,344.82/497,642.43 = 198,908.66/x
  3. Step 3: Cross multiply
    332,344.82x = 497,642.43 × 198,908.66
  4. Step 4: Simplify right side
    332,344.82x = 98,985,388,910.44
  5. Step 5: Solve for x
    x = 98,985,388,910.44/332,344.82
  6. Step 6: Final answer
    x = 297,839.42

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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.