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Finding the Fourth Proportional to 479,192.92, 718,713.20 and 159,318.18

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Solution

The fourth proportional to 479,192.92, 718,713.20 and 159,318.18 is: 238,951.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,192.92 : 718,713.20 = 159,318.18 : x
  2. Step 2: Convert to fraction form
    479,192.92/718,713.20 = 159,318.18/x
  3. Step 3: Cross multiply
    479,192.92x = 718,713.20 × 159,318.18
  4. Step 4: Simplify right side
    479,192.92x = 114,504,079,364.27
  5. Step 5: Solve for x
    x = 114,504,079,364.27/479,192.92
  6. Step 6: Final answer
    x = 238,951.94

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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.