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Finding the Fourth Proportional to 338,692.68, 467,289.54 and 195,433.92

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Solution

The fourth proportional to 338,692.68, 467,289.54 and 195,433.92 is: 269,637.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,692.68 : 467,289.54 = 195,433.92 : x
  2. Step 2: Convert to fraction form
    338,692.68/467,289.54 = 195,433.92/x
  3. Step 3: Cross multiply
    338,692.68x = 467,289.54 × 195,433.92
  4. Step 4: Simplify right side
    338,692.68x = 91,324,226,577.20
  5. Step 5: Solve for x
    x = 91,324,226,577.20/338,692.68
  6. Step 6: Final answer
    x = 269,637.44

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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.