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Finding the Fourth Proportional to 323,793.10, 485,033.55 and 183,387.70

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Solution

The fourth proportional to 323,793.10, 485,033.55 and 183,387.70 is: 274,709.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,793.10 : 485,033.55 = 183,387.70 : x
  2. Step 2: Convert to fraction form
    323,793.10/485,033.55 = 183,387.70/x
  3. Step 3: Cross multiply
    323,793.10x = 485,033.55 × 183,387.70
  4. Step 4: Simplify right side
    323,793.10x = 88,949,187,157.34
  5. Step 5: Solve for x
    x = 88,949,187,157.34/323,793.10
  6. Step 6: Final answer
    x = 274,709.95

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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.