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Finding the Fourth Proportional to 338,692.23, 467,391.42 and 195,449.20

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Solution

The fourth proportional to 338,692.23, 467,391.42 and 195,449.20 is: 269,717.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,692.23 : 467,391.42 = 195,449.20 : x
  2. Step 2: Convert to fraction form
    338,692.23/467,391.42 = 195,449.20/x
  3. Step 3: Cross multiply
    338,692.23x = 467,391.42 × 195,449.20
  4. Step 4: Simplify right side
    338,692.23x = 91,351,277,957.39
  5. Step 5: Solve for x
    x = 91,351,277,957.39/338,692.23
  6. Step 6: Final answer
    x = 269,717.67

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1.5x scale

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.