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Finding the Fourth Proportional to 446,993.44, 616,851.05 and 245,789.44

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Solution

The fourth proportional to 446,993.44, 616,851.05 and 245,789.44 is: 339,189.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,993.44 : 616,851.05 = 245,789.44 : x
  2. Step 2: Convert to fraction form
    446,993.44/616,851.05 = 245,789.44/x
  3. Step 3: Cross multiply
    446,993.44x = 616,851.05 × 245,789.44
  4. Step 4: Simplify right side
    446,993.44x = 151,615,471,371.84
  5. Step 5: Solve for x
    x = 151,615,471,371.84/446,993.44
  6. Step 6: Final answer
    x = 339,189.48

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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.