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Finding the Fourth Proportional to 323,840.44, 485,334.18 and 181,683

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Solution

The fourth proportional to 323,840.44, 485,334.18 and 181,683 is: 272,285.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,840.44 : 485,334.18 = 181,683 : x
  2. Step 2: Convert to fraction form
    323,840.44/485,334.18 = 181,683/x
  3. Step 3: Cross multiply
    323,840.44x = 485,334.18 × 181,683
  4. Step 4: Simplify right side
    323,840.44x = 88,176,969,824.94
  5. Step 5: Solve for x
    x = 88,176,969,824.94/323,840.44
  6. Step 6: Final answer
    x = 272,285.23

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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.