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Finding the Fourth Proportional to 362,891.31, 500,761.64 and 201,736.55

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Solution

The fourth proportional to 362,891.31, 500,761.64 and 201,736.55 is: 278,380.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,891.31 : 500,761.64 = 201,736.55 : x
  2. Step 2: Convert to fraction form
    362,891.31/500,761.64 = 201,736.55/x
  3. Step 3: Cross multiply
    362,891.31x = 500,761.64 × 201,736.55
  4. Step 4: Simplify right side
    362,891.31x = 101,021,922,113.45
  5. Step 5: Solve for x
    x = 101,021,922,113.45/362,891.31
  6. Step 6: Final answer
    x = 278,380.66

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1.5x scale

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.