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Finding the Fourth Proportional to 331,791.71, 457,872.29 and 180,888.71

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Solution

The fourth proportional to 331,791.71, 457,872.29 and 180,888.71 is: 249,626.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,791.71 : 457,872.29 = 180,888.71 : x
  2. Step 2: Convert to fraction form
    331,791.71/457,872.29 = 180,888.71/x
  3. Step 3: Cross multiply
    331,791.71x = 457,872.29 × 180,888.71
  4. Step 4: Simplify right side
    331,791.71x = 82,823,927,882.85
  5. Step 5: Solve for x
    x = 82,823,927,882.85/331,791.71
  6. Step 6: Final answer
    x = 249,626.27

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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.