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Finding the Fourth Proportional to 322,079.63, 444,483.59 and 178,839.56

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Solution

The fourth proportional to 322,079.63, 444,483.59 and 178,839.56 is: 246,806.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,079.63 : 444,483.59 = 178,839.56 : x
  2. Step 2: Convert to fraction form
    322,079.63/444,483.59 = 178,839.56/x
  3. Step 3: Cross multiply
    322,079.63x = 444,483.59 × 178,839.56
  4. Step 4: Simplify right side
    322,079.63x = 79,491,249,879.83
  5. Step 5: Solve for x
    x = 79,491,249,879.83/322,079.63
  6. Step 6: Final answer
    x = 246,806.20

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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.