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Finding the Fourth Proportional to 304,276.29, 419,759.85 and 196,880.95

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Solution

The fourth proportional to 304,276.29, 419,759.85 and 196,880.95 is: 271,604.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,276.29 : 419,759.85 = 196,880.95 : x
  2. Step 2: Convert to fraction form
    304,276.29/419,759.85 = 196,880.95/x
  3. Step 3: Cross multiply
    304,276.29x = 419,759.85 × 196,880.95
  4. Step 4: Simplify right side
    304,276.29x = 82,642,718,039.86
  5. Step 5: Solve for x
    x = 82,642,718,039.86/304,276.29
  6. Step 6: Final answer
    x = 271,604.20

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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.