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Finding the Fourth Proportional to 442,493.88, 610,635.84 and 251,494.68

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Solution

The fourth proportional to 442,493.88, 610,635.84 and 251,494.68 is: 347,059.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,493.88 : 610,635.84 = 251,494.68 : x
  2. Step 2: Convert to fraction form
    442,493.88/610,635.84 = 251,494.68/x
  3. Step 3: Cross multiply
    442,493.88x = 610,635.84 × 251,494.68
  4. Step 4: Simplify right side
    442,493.88x = 153,571,665,177.33
  5. Step 5: Solve for x
    x = 153,571,665,177.33/442,493.88
  6. Step 6: Final answer
    x = 347,059.41

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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.