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Finding the Fourth Proportional to 300,336.46, 414,423.38 and 179,452.20

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Solution

The fourth proportional to 300,336.46, 414,423.38 and 179,452.20 is: 247,619.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,336.46 : 414,423.38 = 179,452.20 : x
  2. Step 2: Convert to fraction form
    300,336.46/414,423.38 = 179,452.20/x
  3. Step 3: Cross multiply
    300,336.46x = 414,423.38 × 179,452.20
  4. Step 4: Simplify right side
    300,336.46x = 74,369,187,272.44
  5. Step 5: Solve for x
    x = 74,369,187,272.44/300,336.46
  6. Step 6: Final answer
    x = 247,619.58

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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.