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Finding the Fourth Proportional to 332,468.12, 458,692.16 and 189,192.27

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Solution

The fourth proportional to 332,468.12, 458,692.16 and 189,192.27 is: 261,020.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,468.12 : 458,692.16 = 189,192.27 : x
  2. Step 2: Convert to fraction form
    332,468.12/458,692.16 = 189,192.27/x
  3. Step 3: Cross multiply
    332,468.12x = 458,692.16 × 189,192.27
  4. Step 4: Simplify right side
    332,468.12x = 86,781,010,035.64
  5. Step 5: Solve for x
    x = 86,781,010,035.64/332,468.12
  6. Step 6: Final answer
    x = 261,020.55

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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.