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Finding the Fourth Proportional to 372,209.82, 558,408.36 and 119,512.92

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Solution

The fourth proportional to 372,209.82, 558,408.36 and 119,512.92 is: 179,299.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,209.82 : 558,408.36 = 119,512.92 : x
  2. Step 2: Convert to fraction form
    372,209.82/558,408.36 = 119,512.92/x
  3. Step 3: Cross multiply
    372,209.82x = 558,408.36 × 119,512.92
  4. Step 4: Simplify right side
    372,209.82x = 66,737,013,656.01
  5. Step 5: Solve for x
    x = 66,737,013,656.01/372,209.82
  6. Step 6: Final answer
    x = 179,299.44

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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.