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Finding the Fourth Proportional to 348,661.04, 522,990.70 and 196,789.27

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Solution

The fourth proportional to 348,661.04, 522,990.70 and 196,789.27 is: 295,183.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,661.04 : 522,990.70 = 196,789.27 : x
  2. Step 2: Convert to fraction form
    348,661.04/522,990.70 = 196,789.27/x
  3. Step 3: Cross multiply
    348,661.04x = 522,990.70 × 196,789.27
  4. Step 4: Simplify right side
    348,661.04x = 102,918,958,069.79
  5. Step 5: Solve for x
    x = 102,918,958,069.79/348,661.04
  6. Step 6: Final answer
    x = 295,183.42

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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.