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Finding the Fourth Proportional to 322,537.11, 445,101.72 and 179,295.90

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Solution

The fourth proportional to 322,537.11, 445,101.72 and 179,295.90 is: 247,428.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,537.11 : 445,101.72 = 179,295.90 : x
  2. Step 2: Convert to fraction form
    322,537.11/445,101.72 = 179,295.90/x
  3. Step 3: Cross multiply
    322,537.11x = 445,101.72 × 179,295.90
  4. Step 4: Simplify right side
    322,537.11x = 79,804,913,478.95
  5. Step 5: Solve for x
    x = 79,804,913,478.95/322,537.11
  6. Step 6: Final answer
    x = 247,428.62

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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.