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Finding the Fourth Proportional to 366,348.92, 505,558.53 and 205,205.49

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Solution

The fourth proportional to 366,348.92, 505,558.53 and 205,205.49 is: 283,181.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,348.92 : 505,558.53 = 205,205.49 : x
  2. Step 2: Convert to fraction form
    366,348.92/505,558.53 = 205,205.49/x
  3. Step 3: Cross multiply
    366,348.92x = 505,558.53 × 205,205.49
  4. Step 4: Simplify right side
    366,348.92x = 103,743,385,872.33
  5. Step 5: Solve for x
    x = 103,743,385,872.33/366,348.92
  6. Step 6: Final answer
    x = 283,181.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.