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Finding the Fourth Proportional to 304,205.55, 419,859.82 and 195,445.85

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Solution

The fourth proportional to 304,205.55, 419,859.82 and 195,445.85 is: 269,751.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,205.55 : 419,859.82 = 195,445.85 : x
  2. Step 2: Convert to fraction form
    304,205.55/419,859.82 = 195,445.85/x
  3. Step 3: Cross multiply
    304,205.55x = 419,859.82 × 195,445.85
  4. Step 4: Simplify right side
    304,205.55x = 82,059,859,400.75
  5. Step 5: Solve for x
    x = 82,059,859,400.75/304,205.55
  6. Step 6: Final answer
    x = 269,751.36

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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.