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Finding the Fourth Proportional to 322,245.64, 444,698.76 and 179,019

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Solution

The fourth proportional to 322,245.64, 444,698.76 and 179,019 is: 247,046.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,245.64 : 444,698.76 = 179,019 : x
  2. Step 2: Convert to fraction form
    322,245.64/444,698.76 = 179,019/x
  3. Step 3: Cross multiply
    322,245.64x = 444,698.76 × 179,019
  4. Step 4: Simplify right side
    322,245.64x = 79,609,527,316.44
  5. Step 5: Solve for x
    x = 79,609,527,316.44/322,245.64
  6. Step 6: Final answer
    x = 247,046.10

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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.