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Finding the Fourth Proportional to 321,785.00, 444,073.31 and 178,558.37

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Solution

The fourth proportional to 321,785.00, 444,073.31 and 178,558.37 is: 246,416.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,785.00 : 444,073.31 = 178,558.37 : x
  2. Step 2: Convert to fraction form
    321,785.00/444,073.31 = 178,558.37/x
  3. Step 3: Cross multiply
    321,785.00x = 444,073.31 × 178,558.37
  4. Step 4: Simplify right side
    321,785.00x = 79,293,008,615.92
  5. Step 5: Solve for x
    x = 79,293,008,615.92/321,785.00
  6. Step 6: Final answer
    x = 246,416.11

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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.