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Finding the Fourth Proportional to 322,692.24, 484,099.90 and 122,995.92

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Solution

The fourth proportional to 322,692.24, 484,099.90 and 122,995.92 is: 184,517.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,692.24 : 484,099.90 = 122,995.92 : x
  2. Step 2: Convert to fraction form
    322,692.24/484,099.90 = 122,995.92/x
  3. Step 3: Cross multiply
    322,692.24x = 484,099.90 × 122,995.92
  4. Step 4: Simplify right side
    322,692.24x = 59,542,312,572.41
  5. Step 5: Solve for x
    x = 59,542,312,572.41/322,692.24
  6. Step 6: Final answer
    x = 184,517.34

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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.