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Finding the Fourth Proportional to 236,552.80, 354,310.80 and 205,448.80

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Solution

The fourth proportional to 236,552.80, 354,310.80 and 205,448.80 is: 307,722.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,552.80 : 354,310.80 = 205,448.80 : x
  2. Step 2: Convert to fraction form
    236,552.80/354,310.80 = 205,448.80/x
  3. Step 3: Cross multiply
    236,552.80x = 354,310.80 × 205,448.80
  4. Step 4: Simplify right side
    236,552.80x = 72,792,728,687.04
  5. Step 5: Solve for x
    x = 72,792,728,687.04/236,552.80
  6. Step 6: Final answer
    x = 307,722.96

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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.