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Finding the Fourth Proportional to 323,766.81, 484,734.39 and 171,617.22

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Solution

The fourth proportional to 323,766.81, 484,734.39 and 171,617.22 is: 256,940.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,766.81 : 484,734.39 = 171,617.22 : x
  2. Step 2: Convert to fraction form
    323,766.81/484,734.39 = 171,617.22/x
  3. Step 3: Cross multiply
    323,766.81x = 484,734.39 × 171,617.22
  4. Step 4: Simplify right side
    323,766.81x = 83,188,768,450.20
  5. Step 5: Solve for x
    x = 83,188,768,450.20/323,766.81
  6. Step 6: Final answer
    x = 256,940.38

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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.