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Finding the Fourth Proportional to 446,993.88, 616,851.56 and 245,789.88

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Solution

The fourth proportional to 446,993.88, 616,851.56 and 245,789.88 is: 339,190.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,993.88 : 616,851.56 = 245,789.88 : x
  2. Step 2: Convert to fraction form
    446,993.88/616,851.56 = 245,789.88/x
  3. Step 3: Cross multiply
    446,993.88x = 616,851.56 × 245,789.88
  4. Step 4: Simplify right side
    446,993.88x = 151,615,870,910.21
  5. Step 5: Solve for x
    x = 151,615,870,910.21/446,993.88
  6. Step 6: Final answer
    x = 339,190.04

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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.