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Finding the Fourth Proportional to 322,141.88, 444,556.14 and 178,902.20

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Solution

The fourth proportional to 322,141.88, 444,556.14 and 178,902.20 is: 246,885.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,141.88 : 444,556.14 = 178,902.20 : x
  2. Step 2: Convert to fraction form
    322,141.88/444,556.14 = 178,902.20/x
  3. Step 3: Cross multiply
    322,141.88x = 444,556.14 × 178,902.20
  4. Step 4: Simplify right side
    322,141.88x = 79,532,071,469.51
  5. Step 5: Solve for x
    x = 79,532,071,469.51/322,141.88
  6. Step 6: Final answer
    x = 246,885.23

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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.