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Finding the Fourth Proportional to 539,552.46, 809,251.93 and 219,843.84

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Solution

The fourth proportional to 539,552.46, 809,251.93 and 219,843.84 is: 329,734.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,552.46 : 809,251.93 = 219,843.84 : x
  2. Step 2: Convert to fraction form
    539,552.46/809,251.93 = 219,843.84/x
  3. Step 3: Cross multiply
    539,552.46x = 809,251.93 × 219,843.84
  4. Step 4: Simplify right side
    539,552.46x = 177,909,051,818.61
  5. Step 5: Solve for x
    x = 177,909,051,818.61/539,552.46
  6. Step 6: Final answer
    x = 329,734.48

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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.