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Finding the Fourth Proportional to 322,348.43, 444,814.80 and 186,391.18

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Solution

The fourth proportional to 322,348.43, 444,814.80 and 186,391.18 is: 257,204.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,348.43 : 444,814.80 = 186,391.18 : x
  2. Step 2: Convert to fraction form
    322,348.43/444,814.80 = 186,391.18/x
  3. Step 3: Cross multiply
    322,348.43x = 444,814.80 × 186,391.18
  4. Step 4: Simplify right side
    322,348.43x = 82,909,555,453.46
  5. Step 5: Solve for x
    x = 82,909,555,453.46/322,348.43
  6. Step 6: Final answer
    x = 257,204.78

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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.