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Finding the Fourth Proportional to 322,757.22, 445,398.76 and 177,554.52

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Solution

The fourth proportional to 322,757.22, 445,398.76 and 177,554.52 is: 245,021.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,757.22 : 445,398.76 = 177,554.52 : x
  2. Step 2: Convert to fraction form
    322,757.22/445,398.76 = 177,554.52/x
  3. Step 3: Cross multiply
    322,757.22x = 445,398.76 × 177,554.52
  4. Step 4: Simplify right side
    322,757.22x = 79,082,563,040.40
  5. Step 5: Solve for x
    x = 79,082,563,040.40/322,757.22
  6. Step 6: Final answer
    x = 245,021.82

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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.