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Finding the Fourth Proportional to 481,251.33, 721,627.82 and 256,551.41

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Solution

The fourth proportional to 481,251.33, 721,627.82 and 256,551.41 is: 384,694.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,251.33 : 721,627.82 = 256,551.41 : x
  2. Step 2: Convert to fraction form
    481,251.33/721,627.82 = 256,551.41/x
  3. Step 3: Cross multiply
    481,251.33x = 721,627.82 × 256,551.41
  4. Step 4: Simplify right side
    481,251.33x = 185,134,634,716.23
  5. Step 5: Solve for x
    x = 185,134,634,716.23/481,251.33
  6. Step 6: Final answer
    x = 384,694.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.