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Finding the Fourth Proportional to 323,891.10, 485,180.55 and 183,485.70

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Solution

The fourth proportional to 323,891.10, 485,180.55 and 183,485.70 is: 274,856.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,891.10 : 485,180.55 = 183,485.70 : x
  2. Step 2: Convert to fraction form
    323,891.10/485,180.55 = 183,485.70/x
  3. Step 3: Cross multiply
    323,891.10x = 485,180.55 × 183,485.70
  4. Step 4: Simplify right side
    323,891.10x = 89,023,692,843.14
  5. Step 5: Solve for x
    x = 89,023,692,843.14/323,891.10
  6. Step 6: Final answer
    x = 274,856.87

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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.