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Finding the Fourth Proportional to 353,179.82, 487,394.25 and 192,035.96

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Solution

The fourth proportional to 353,179.82, 487,394.25 and 192,035.96 is: 265,012.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,179.82 : 487,394.25 = 192,035.96 : x
  2. Step 2: Convert to fraction form
    353,179.82/487,394.25 = 192,035.96/x
  3. Step 3: Cross multiply
    353,179.82x = 487,394.25 × 192,035.96
  4. Step 4: Simplify right side
    353,179.82x = 93,597,221,367.85
  5. Step 5: Solve for x
    x = 93,597,221,367.85/353,179.82
  6. Step 6: Final answer
    x = 265,012.94

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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.