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Finding the Fourth Proportional to 331,843.77, 457,944.53 and 188,600.13

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Solution

The fourth proportional to 331,843.77, 457,944.53 and 188,600.13 is: 260,268.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,843.77 : 457,944.53 = 188,600.13 : x
  2. Step 2: Convert to fraction form
    331,843.77/457,944.53 = 188,600.13/x
  3. Step 3: Cross multiply
    331,843.77x = 457,944.53 × 188,600.13
  4. Step 4: Simplify right side
    331,843.77x = 86,368,396,947.79
  5. Step 5: Solve for x
    x = 86,368,396,947.79/331,843.77
  6. Step 6: Final answer
    x = 260,268.25

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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.