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Finding the Fourth Proportional to 329,443.44, 494,201.48 and 104,751.31

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Solution

The fourth proportional to 329,443.44, 494,201.48 and 104,751.31 is: 157,138.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,443.44 : 494,201.48 = 104,751.31 : x
  2. Step 2: Convert to fraction form
    329,443.44/494,201.48 = 104,751.31/x
  3. Step 3: Cross multiply
    329,443.44x = 494,201.48 × 104,751.31
  4. Step 4: Simplify right side
    329,443.44x = 51,768,252,433.94
  5. Step 5: Solve for x
    x = 51,768,252,433.94/329,443.44
  6. Step 6: Final answer
    x = 157,138.51

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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.