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Finding the Fourth Proportional to 366,481.44, 505,776.96 and 205,335.54

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Solution

The fourth proportional to 366,481.44, 505,776.96 and 205,335.54 is: 283,381.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,481.44 : 505,776.96 = 205,335.54 : x
  2. Step 2: Convert to fraction form
    366,481.44/505,776.96 = 205,335.54/x
  3. Step 3: Cross multiply
    366,481.44x = 505,776.96 × 205,335.54
  4. Step 4: Simplify right side
    366,481.44x = 103,853,985,201.16
  5. Step 5: Solve for x
    x = 103,853,985,201.16/366,481.44
  6. Step 6: Final answer
    x = 283,381.30

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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.