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Finding the Fourth Proportional to 392,493.35, 588,858.26 and 122,610.59

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Solution

The fourth proportional to 392,493.35, 588,858.26 and 122,610.59 is: 183,952.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,493.35 : 588,858.26 = 122,610.59 : x
  2. Step 2: Convert to fraction form
    392,493.35/588,858.26 = 122,610.59/x
  3. Step 3: Cross multiply
    392,493.35x = 588,858.26 × 122,610.59
  4. Step 4: Simplify right side
    392,493.35x = 72,200,257,804.47
  5. Step 5: Solve for x
    x = 72,200,257,804.47/392,493.35
  6. Step 6: Final answer
    x = 183,952.82

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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.