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Finding the Fourth Proportional to 722,469.22, 996,629.52 and 446,738.92

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Solution

The fourth proportional to 722,469.22, 996,629.52 and 446,738.92 is: 616,265.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,469.22 : 996,629.52 = 446,738.92 : x
  2. Step 2: Convert to fraction form
    722,469.22/996,629.52 = 446,738.92/x
  3. Step 3: Cross multiply
    722,469.22x = 996,629.52 × 446,738.92
  4. Step 4: Simplify right side
    722,469.22x = 445,233,195,404.92
  5. Step 5: Solve for x
    x = 445,233,195,404.92/722,469.22
  6. Step 6: Final answer
    x = 616,265.97

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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.