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Finding the Fourth Proportional to 345,793.69, 477,197.38 and 192,841.56

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Solution

The fourth proportional to 345,793.69, 477,197.38 and 192,841.56 is: 266,122.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,793.69 : 477,197.38 = 192,841.56 : x
  2. Step 2: Convert to fraction form
    345,793.69/477,197.38 = 192,841.56/x
  3. Step 3: Cross multiply
    345,793.69x = 477,197.38 × 192,841.56
  4. Step 4: Simplify right side
    345,793.69x = 92,023,483,836.92
  5. Step 5: Solve for x
    x = 92,023,483,836.92/345,793.69
  6. Step 6: Final answer
    x = 266,122.51

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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.