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Finding the Fourth Proportional to 322,276.80, 444,813.12 and 179,086.08

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Solution

The fourth proportional to 322,276.80, 444,813.12 and 179,086.08 is: 247,178.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,276.80 : 444,813.12 = 179,086.08 : x
  2. Step 2: Convert to fraction form
    322,276.80/444,813.12 = 179,086.08/x
  3. Step 3: Cross multiply
    322,276.80x = 444,813.12 × 179,086.08
  4. Step 4: Simplify right side
    322,276.80x = 79,659,837,993.37
  5. Step 5: Solve for x
    x = 79,659,837,993.37/322,276.80
  6. Step 6: Final answer
    x = 247,178.32

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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.