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Finding the Fourth Proportional to 446,825.92, 616,604.16 and 245,620.48

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Solution

The fourth proportional to 446,825.92, 616,604.16 and 245,620.48 is: 338,947.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,825.92 : 616,604.16 = 245,620.48 : x
  2. Step 2: Convert to fraction form
    446,825.92/616,604.16 = 245,620.48/x
  3. Step 3: Cross multiply
    446,825.92x = 616,604.16 × 245,620.48
  4. Step 4: Simplify right side
    446,825.92x = 151,450,609,749.20
  5. Step 5: Solve for x
    x = 151,450,609,749.20/446,825.92
  6. Step 6: Final answer
    x = 338,947.68

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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.