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Finding the Fourth Proportional to 324,414.39, 447,690.39 and 179,220.22

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Solution

The fourth proportional to 324,414.39, 447,690.39 and 179,220.22 is: 247,323.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,414.39 : 447,690.39 = 179,220.22 : x
  2. Step 2: Convert to fraction form
    324,414.39/447,690.39 = 179,220.22/x
  3. Step 3: Cross multiply
    324,414.39x = 447,690.39 × 179,220.22
  4. Step 4: Simplify right side
    324,414.39x = 80,235,168,396.38
  5. Step 5: Solve for x
    x = 80,235,168,396.38/324,414.39
  6. Step 6: Final answer
    x = 247,323.08

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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.