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Finding the Fourth Proportional to 253,660.50, 350,037.45 and 140,474.34

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Solution

The fourth proportional to 253,660.50, 350,037.45 and 140,474.34 is: 193,846.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,660.50 : 350,037.45 = 140,474.34 : x
  2. Step 2: Convert to fraction form
    253,660.50/350,037.45 = 140,474.34/x
  3. Step 3: Cross multiply
    253,660.50x = 350,037.45 × 140,474.34
  4. Step 4: Simplify right side
    253,660.50x = 49,171,279,764.03
  5. Step 5: Solve for x
    x = 49,171,279,764.03/253,660.50
  6. Step 6: Final answer
    x = 193,846.81

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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.