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Finding the Fourth Proportional to 366,062.13, 505,165.95 and 204,917.49

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Solution

The fourth proportional to 366,062.13, 505,165.95 and 204,917.49 is: 282,786.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,062.13 : 505,165.95 = 204,917.49 : x
  2. Step 2: Convert to fraction form
    366,062.13/505,165.95 = 204,917.49/x
  3. Step 3: Cross multiply
    366,062.13x = 505,165.95 × 204,917.49
  4. Step 4: Simplify right side
    366,062.13x = 103,517,338,507.47
  5. Step 5: Solve for x
    x = 103,517,338,507.47/366,062.13
  6. Step 6: Final answer
    x = 282,786.25

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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.