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Finding the Fourth Proportional to 322,560.89, 445,149.21 and 179,323.32

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Solution

The fourth proportional to 322,560.89, 445,149.21 and 179,323.32 is: 247,474.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,560.89 : 445,149.21 = 179,323.32 : x
  2. Step 2: Convert to fraction form
    322,560.89/445,149.21 = 179,323.32/x
  3. Step 3: Cross multiply
    322,560.89x = 445,149.21 × 179,323.32
  4. Step 4: Simplify right side
    322,560.89x = 79,825,634,232.58
  5. Step 5: Solve for x
    x = 79,825,634,232.58/322,560.89
  6. Step 6: Final answer
    x = 247,474.63

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1.5x scale

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.