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Finding the Fourth Proportional to 322,137.69, 444,556.04 and 178,911.15

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Solution

The fourth proportional to 322,137.69, 444,556.04 and 178,911.15 is: 246,900.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,137.69 : 444,556.04 = 178,911.15 : x
  2. Step 2: Convert to fraction form
    322,137.69/444,556.04 = 178,911.15/x
  3. Step 3: Cross multiply
    322,137.69x = 444,556.04 × 178,911.15
  4. Step 4: Simplify right side
    322,137.69x = 79,536,031,461.29
  5. Step 5: Solve for x
    x = 79,536,031,461.29/322,137.69
  6. Step 6: Final answer
    x = 246,900.73

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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.