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Finding the Fourth Proportional to 366,650.49, 505,976.09 and 205,505.58

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Solution

The fourth proportional to 366,650.49, 505,976.09 and 205,505.58 is: 283,596.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,650.49 : 505,976.09 = 205,505.58 : x
  2. Step 2: Convert to fraction form
    366,650.49/505,976.09 = 205,505.58/x
  3. Step 3: Cross multiply
    366,650.49x = 505,976.09 × 205,505.58
  4. Step 4: Simplify right side
    366,650.49x = 103,980,908,814.05
  5. Step 5: Solve for x
    x = 103,980,908,814.05/366,650.49
  6. Step 6: Final answer
    x = 283,596.81

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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.