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Finding the Fourth Proportional to 323,203.57, 484,580.51 and 143,191.33

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Solution

The fourth proportional to 323,203.57, 484,580.51 and 143,191.33 is: 214,687.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,203.57 : 484,580.51 = 143,191.33 : x
  2. Step 2: Convert to fraction form
    323,203.57/484,580.51 = 143,191.33/x
  3. Step 3: Cross multiply
    323,203.57x = 484,580.51 × 143,191.33
  4. Step 4: Simplify right side
    323,203.57x = 69,387,726,328.54
  5. Step 5: Solve for x
    x = 69,387,726,328.54/323,203.57
  6. Step 6: Final answer
    x = 214,687.38

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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.