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Finding the Fourth Proportional to 300,279.20, 414,344.44 and 179,394.88

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Solution

The fourth proportional to 300,279.20, 414,344.44 and 179,394.88 is: 247,540.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,279.20 : 414,344.44 = 179,394.88 : x
  2. Step 2: Convert to fraction form
    300,279.20/414,344.44 = 179,394.88/x
  3. Step 3: Cross multiply
    300,279.20x = 414,344.44 × 179,394.88
  4. Step 4: Simplify right side
    300,279.20x = 74,331,271,092.47
  5. Step 5: Solve for x
    x = 74,331,271,092.47/300,279.20
  6. Step 6: Final answer
    x = 247,540.53

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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.