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Finding the Fourth Proportional to 329,617.50, 494,401.41 and 104,968.86

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Solution

The fourth proportional to 329,617.50, 494,401.41 and 104,968.86 is: 157,445.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,617.50 : 494,401.41 = 104,968.86 : x
  2. Step 2: Convert to fraction form
    329,617.50/494,401.41 = 104,968.86/x
  3. Step 3: Cross multiply
    329,617.50x = 494,401.41 × 104,968.86
  4. Step 4: Simplify right side
    329,617.50x = 51,896,752,390.09
  5. Step 5: Solve for x
    x = 51,896,752,390.09/329,617.50
  6. Step 6: Final answer
    x = 157,445.38

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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.