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Finding the Fourth Proportional to 322,556.55, 445,139.49 and 177,373.41

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Solution

The fourth proportional to 322,556.55, 445,139.49 and 177,373.41 is: 244,781.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,556.55 : 445,139.49 = 177,373.41 : x
  2. Step 2: Convert to fraction form
    322,556.55/445,139.49 = 177,373.41/x
  3. Step 3: Cross multiply
    322,556.55x = 445,139.49 × 177,373.41
  4. Step 4: Simplify right side
    322,556.55x = 78,955,909,266.96
  5. Step 5: Solve for x
    x = 78,955,909,266.96/322,556.55
  6. Step 6: Final answer
    x = 244,781.60

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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.