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Finding the Fourth Proportional to 322,756.22, 445,397.38 and 177,553.52

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Solution

The fourth proportional to 322,756.22, 445,397.38 and 177,553.52 is: 245,020.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,756.22 : 445,397.38 = 177,553.52 : x
  2. Step 2: Convert to fraction form
    322,756.22/445,397.38 = 177,553.52/x
  3. Step 3: Cross multiply
    322,756.22x = 445,397.38 × 177,553.52
  4. Step 4: Simplify right side
    322,756.22x = 79,081,872,615.89
  5. Step 5: Solve for x
    x = 79,081,872,615.89/322,756.22
  6. Step 6: Final answer
    x = 245,020.44

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.