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Finding the Fourth Proportional to 371,692.54, 557,624.79 and 131,793.73

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Solution

The fourth proportional to 371,692.54, 557,624.79 and 131,793.73 is: 197,721.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,692.54 : 557,624.79 = 131,793.73 : x
  2. Step 2: Convert to fraction form
    371,692.54/557,624.79 = 131,793.73/x
  3. Step 3: Cross multiply
    371,692.54x = 557,624.79 × 131,793.73
  4. Step 4: Simplify right side
    371,692.54x = 73,491,451,014.57
  5. Step 5: Solve for x
    x = 73,491,451,014.57/371,692.54
  6. Step 6: Final answer
    x = 197,721.08

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1.5x scale

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.