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Finding the Fourth Proportional to 321,953.27, 444,336.44 and 194,628.56

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Solution

The fourth proportional to 321,953.27, 444,336.44 and 194,628.56 is: 268,612.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,953.27 : 444,336.44 = 194,628.56 : x
  2. Step 2: Convert to fraction form
    321,953.27/444,336.44 = 194,628.56/x
  3. Step 3: Cross multiply
    321,953.27x = 444,336.44 × 194,628.56
  4. Step 4: Simplify right side
    321,953.27x = 86,480,558,277.90
  5. Step 5: Solve for x
    x = 86,480,558,277.90/321,953.27
  6. Step 6: Final answer
    x = 268,612.15

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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.