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Finding the Fourth Proportional to 329,404.72, 494,101.88 and 104,761.91

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Solution

The fourth proportional to 329,404.72, 494,101.88 and 104,761.91 is: 157,141.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,404.72 : 494,101.88 = 104,761.91 : x
  2. Step 2: Convert to fraction form
    329,404.72/494,101.88 = 104,761.91/x
  3. Step 3: Cross multiply
    329,404.72x = 494,101.88 × 104,761.91
  4. Step 4: Simplify right side
    329,404.72x = 51,763,054,212.88
  5. Step 5: Solve for x
    x = 51,763,054,212.88/329,404.72
  6. Step 6: Final answer
    x = 157,141.21

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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.