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Finding the Fourth Proportional to 449,353.73, 674,238.99 and 196,600.92

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Solution

The fourth proportional to 449,353.73, 674,238.99 and 196,600.92 is: 294,992.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,353.73 : 674,238.99 = 196,600.92 : x
  2. Step 2: Convert to fraction form
    449,353.73/674,238.99 = 196,600.92/x
  3. Step 3: Cross multiply
    449,353.73x = 674,238.99 × 196,600.92
  4. Step 4: Simplify right side
    449,353.73x = 132,556,005,733.87
  5. Step 5: Solve for x
    x = 132,556,005,733.87/449,353.73
  6. Step 6: Final answer
    x = 294,992.56

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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.