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Finding the Fourth Proportional to 300,545.64, 414,724.26 and 179,662.92

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Solution

The fourth proportional to 300,545.64, 414,724.26 and 179,662.92 is: 247,917.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,545.64 : 414,724.26 = 179,662.92 : x
  2. Step 2: Convert to fraction form
    300,545.64/414,724.26 = 179,662.92/x
  3. Step 3: Cross multiply
    300,545.64x = 414,724.26 × 179,662.92
  4. Step 4: Simplify right side
    300,545.64x = 74,510,571,546.44
  5. Step 5: Solve for x
    x = 74,510,571,546.44/300,545.64
  6. Step 6: Final answer
    x = 247,917.66

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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.