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Finding the Fourth Proportional to 329,373.46, 494,016.45 and 92,736.55

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Solution

The fourth proportional to 329,373.46, 494,016.45 and 92,736.55 is: 139,092.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,373.46 : 494,016.45 = 92,736.55 : x
  2. Step 2: Convert to fraction form
    329,373.46/494,016.45 = 92,736.55/x
  3. Step 3: Cross multiply
    329,373.46x = 494,016.45 × 92,736.55
  4. Step 4: Simplify right side
    329,373.46x = 45,813,381,216.25
  5. Step 5: Solve for x
    x = 45,813,381,216.25/329,373.46
  6. Step 6: Final answer
    x = 139,092.51

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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.