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Finding the Fourth Proportional to 321,889.33, 444,201.73 and 178,655.41

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Solution

The fourth proportional to 321,889.33, 444,201.73 and 178,655.41 is: 246,541.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,889.33 : 444,201.73 = 178,655.41 : x
  2. Step 2: Convert to fraction form
    321,889.33/444,201.73 = 178,655.41/x
  3. Step 3: Cross multiply
    321,889.33x = 444,201.73 × 178,655.41
  4. Step 4: Simplify right side
    321,889.33x = 79,359,042,195.86
  5. Step 5: Solve for x
    x = 79,359,042,195.86/321,889.33
  6. Step 6: Final answer
    x = 246,541.39

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1.5x scale

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.