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Finding the Fourth Proportional to 323,627.13, 485,444.84 and 123,959.52

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Solution

The fourth proportional to 323,627.13, 485,444.84 and 123,959.52 is: 185,940.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,627.13 : 485,444.84 = 123,959.52 : x
  2. Step 2: Convert to fraction form
    323,627.13/485,444.84 = 123,959.52/x
  3. Step 3: Cross multiply
    323,627.13x = 485,444.84 × 123,959.52
  4. Step 4: Simplify right side
    323,627.13x = 60,175,508,733.08
  5. Step 5: Solve for x
    x = 60,175,508,733.08/323,627.13
  6. Step 6: Final answer
    x = 185,940.87

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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.