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Finding the Fourth Proportional to 329,254.20, 493,881.30 and 92,604.60

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Solution

The fourth proportional to 329,254.20, 493,881.30 and 92,604.60 is: 138,906.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,254.20 : 493,881.30 = 92,604.60 : x
  2. Step 2: Convert to fraction form
    329,254.20/493,881.30 = 92,604.60/x
  3. Step 3: Cross multiply
    329,254.20x = 493,881.30 × 92,604.60
  4. Step 4: Simplify right side
    329,254.20x = 45,735,680,233.98
  5. Step 5: Solve for x
    x = 45,735,680,233.98/329,254.20
  6. Step 6: Final answer
    x = 138,906.90

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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.