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Finding the Fourth Proportional to 329,676.80, 494,553.84 and 104,958.56

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Solution

The fourth proportional to 329,676.80, 494,553.84 and 104,958.56 is: 157,450.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,676.80 : 494,553.84 = 104,958.56 : x
  2. Step 2: Convert to fraction form
    329,676.80/494,553.84 = 104,958.56/x
  3. Step 3: Cross multiply
    329,676.80x = 494,553.84 × 104,958.56
  4. Step 4: Simplify right side
    329,676.80x = 51,907,658,888.87
  5. Step 5: Solve for x
    x = 51,907,658,888.87/329,676.80
  6. Step 6: Final answer
    x = 157,450.14

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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.