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Finding the Fourth Proportional to 568,471.49, 852,591.93 and 208,519.82

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Solution

The fourth proportional to 568,471.49, 852,591.93 and 208,519.82 is: 312,737.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,471.49 : 852,591.93 = 208,519.82 : x
  2. Step 2: Convert to fraction form
    568,471.49/852,591.93 = 208,519.82/x
  3. Step 3: Cross multiply
    568,471.49x = 852,591.93 × 208,519.82
  4. Step 4: Simplify right side
    568,471.49x = 177,782,313,929.36
  5. Step 5: Solve for x
    x = 177,782,313,929.36/568,471.49
  6. Step 6: Final answer
    x = 312,737.43

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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.