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Finding the Fourth Proportional to 324,134.70, 447,311.81 and 178,957.73

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Solution

The fourth proportional to 324,134.70, 447,311.81 and 178,957.73 is: 246,964.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,134.70 : 447,311.81 = 178,957.73 : x
  2. Step 2: Convert to fraction form
    324,134.70/447,311.81 = 178,957.73/x
  3. Step 3: Cross multiply
    324,134.70x = 447,311.81 × 178,957.73
  4. Step 4: Simplify right side
    324,134.70x = 80,049,904,330.63
  5. Step 5: Solve for x
    x = 80,049,904,330.63/324,134.70
  6. Step 6: Final answer
    x = 246,964.93

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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.