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Finding the Fourth Proportional to 373,919.88, 560,879.82 and 198,774.92

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Solution

The fourth proportional to 373,919.88, 560,879.82 and 198,774.92 is: 298,162.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,919.88 : 560,879.82 = 198,774.92 : x
  2. Step 2: Convert to fraction form
    373,919.88/560,879.82 = 198,774.92/x
  3. Step 3: Cross multiply
    373,919.88x = 560,879.82 × 198,774.92
  4. Step 4: Simplify right side
    373,919.88x = 111,488,841,350.11
  5. Step 5: Solve for x
    x = 111,488,841,350.11/373,919.88
  6. Step 6: Final answer
    x = 298,162.38

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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.