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Finding the Fourth Proportional to 247,203.26, 369,789.72 and 197,380.66

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Solution

The fourth proportional to 247,203.26, 369,789.72 and 197,380.66 is: 295,260.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,203.26 : 369,789.72 = 197,380.66 : x
  2. Step 2: Convert to fraction form
    247,203.26/369,789.72 = 197,380.66/x
  3. Step 3: Cross multiply
    247,203.26x = 369,789.72 × 197,380.66
  4. Step 4: Simplify right side
    247,203.26x = 72,989,338,994.82
  5. Step 5: Solve for x
    x = 72,989,338,994.82/247,203.26
  6. Step 6: Final answer
    x = 295,260.42

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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.