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Finding the Fourth Proportional to 366,351.89, 505,550.93 and 205,198.70

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Solution

The fourth proportional to 366,351.89, 505,550.93 and 205,198.70 is: 283,165.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,351.89 : 505,550.93 = 205,198.70 : x
  2. Step 2: Convert to fraction form
    366,351.89/505,550.93 = 205,198.70/x
  3. Step 3: Cross multiply
    366,351.89x = 505,550.93 × 205,198.70
  4. Step 4: Simplify right side
    366,351.89x = 103,738,390,066.04
  5. Step 5: Solve for x
    x = 103,738,390,066.04/366,351.89
  6. Step 6: Final answer
    x = 283,165.98

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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.