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Finding the Fourth Proportional to 241,297.92, 361,946.88 and 221,391.36

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Solution

The fourth proportional to 241,297.92, 361,946.88 and 221,391.36 is: 332,087.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,297.92 : 361,946.88 = 221,391.36 : x
  2. Step 2: Convert to fraction form
    241,297.92/361,946.88 = 221,391.36/x
  3. Step 3: Cross multiply
    241,297.92x = 361,946.88 × 221,391.36
  4. Step 4: Simplify right side
    241,297.92x = 80,131,912,010.96
  5. Step 5: Solve for x
    x = 80,131,912,010.96/241,297.92
  6. Step 6: Final answer
    x = 332,087.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.