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Finding the Fourth Proportional to 323,083.39, 484,625.22 and 145,382.82

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Solution

The fourth proportional to 323,083.39, 484,625.22 and 145,382.82 is: 218,074.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,083.39 : 484,625.22 = 145,382.82 : x
  2. Step 2: Convert to fraction form
    323,083.39/484,625.22 = 145,382.82/x
  3. Step 3: Cross multiply
    323,083.39x = 484,625.22 × 145,382.82
  4. Step 4: Simplify right side
    323,083.39x = 70,456,180,399.81
  5. Step 5: Solve for x
    x = 70,456,180,399.81/323,083.39
  6. Step 6: Final answer
    x = 218,074.29

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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.