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Finding the Fourth Proportional to 329,402.25, 494,103.38 and 104,763.15

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Solution

The fourth proportional to 329,402.25, 494,103.38 and 104,763.15 is: 157,144.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,402.25 : 494,103.38 = 104,763.15 : x
  2. Step 2: Convert to fraction form
    329,402.25/494,103.38 = 104,763.15/x
  3. Step 3: Cross multiply
    329,402.25x = 494,103.38 × 104,763.15
  4. Step 4: Simplify right side
    329,402.25x = 51,763,825,990.63
  5. Step 5: Solve for x
    x = 51,763,825,990.63/329,402.25
  6. Step 6: Final answer
    x = 157,144.73

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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.