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Finding the Fourth Proportional to 350,979.82, 484,352.24 and 198,050.42

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Solution

The fourth proportional to 350,979.82, 484,352.24 and 198,050.42 is: 273,309.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,979.82 : 484,352.24 = 198,050.42 : x
  2. Step 2: Convert to fraction form
    350,979.82/484,352.24 = 198,050.42/x
  3. Step 3: Cross multiply
    350,979.82x = 484,352.24 × 198,050.42
  4. Step 4: Simplify right side
    350,979.82x = 95,926,163,170.12
  5. Step 5: Solve for x
    x = 95,926,163,170.12/350,979.82
  6. Step 6: Final answer
    x = 273,309.63

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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.