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Finding the Fourth Proportional to 322,305.80, 444,755.90 and 186,348.48

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Solution

The fourth proportional to 322,305.80, 444,755.90 and 186,348.48 is: 257,145.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,305.80 : 444,755.90 = 186,348.48 : x
  2. Step 2: Convert to fraction form
    322,305.80/444,755.90 = 186,348.48/x
  3. Step 3: Cross multiply
    322,305.80x = 444,755.90 × 186,348.48
  4. Step 4: Simplify right side
    322,305.80x = 82,879,585,936.03
  5. Step 5: Solve for x
    x = 82,879,585,936.03/322,305.80
  6. Step 6: Final answer
    x = 257,145.81

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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.