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Finding the Fourth Proportional to 300,458.92, 414,604.48 and 179,576.12

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Solution

The fourth proportional to 300,458.92, 414,604.48 and 179,576.12 is: 247,797.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,458.92 : 414,604.48 = 179,576.12 : x
  2. Step 2: Convert to fraction form
    300,458.92/414,604.48 = 179,576.12/x
  3. Step 3: Cross multiply
    300,458.92x = 414,604.48 × 179,576.12
  4. Step 4: Simplify right side
    300,458.92x = 74,453,063,853.02
  5. Step 5: Solve for x
    x = 74,453,063,853.02/300,458.92
  6. Step 6: Final answer
    x = 247,797.81

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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.