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Finding the Fourth Proportional to 321,759.54, 444,049.02 and 178,535.34

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Solution

The fourth proportional to 321,759.54, 444,049.02 and 178,535.34 is: 246,390.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,759.54 : 444,049.02 = 178,535.34 : x
  2. Step 2: Convert to fraction form
    321,759.54/444,049.02 = 178,535.34/x
  3. Step 3: Cross multiply
    321,759.54x = 444,049.02 × 178,535.34
  4. Step 4: Simplify right side
    321,759.54x = 79,278,442,762.37
  5. Step 5: Solve for x
    x = 79,278,442,762.37/321,759.54
  6. Step 6: Final answer
    x = 246,390.34

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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.