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Finding the Fourth Proportional to 322,634.48, 445,240.67 and 177,446.57

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Solution

The fourth proportional to 322,634.48, 445,240.67 and 177,446.57 is: 244,879.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,634.48 : 445,240.67 = 177,446.57 : x
  2. Step 2: Convert to fraction form
    322,634.48/445,240.67 = 177,446.57/x
  3. Step 3: Cross multiply
    322,634.48x = 445,240.67 × 177,446.57
  4. Step 4: Simplify right side
    322,634.48x = 79,006,429,716.00
  5. Step 5: Solve for x
    x = 79,006,429,716.00/322,634.48
  6. Step 6: Final answer
    x = 244,879.06

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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.