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Finding the Fourth Proportional to 344,379.92, 475,241.18 and 191,414.21

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Solution

The fourth proportional to 344,379.92, 475,241.18 and 191,414.21 is: 264,149.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,379.92 : 475,241.18 = 191,414.21 : x
  2. Step 2: Convert to fraction form
    344,379.92/475,241.18 = 191,414.21/x
  3. Step 3: Cross multiply
    344,379.92x = 475,241.18 × 191,414.21
  4. Step 4: Simplify right side
    344,379.92x = 90,967,911,695.89
  5. Step 5: Solve for x
    x = 90,967,911,695.89/344,379.92
  6. Step 6: Final answer
    x = 264,149.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.