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Finding the Fourth Proportional to 317,411.38, 476,067.87 and 92,711.49

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Solution

The fourth proportional to 317,411.38, 476,067.87 and 92,711.49 is: 139,052.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,411.38 : 476,067.87 = 92,711.49 : x
  2. Step 2: Convert to fraction form
    317,411.38/476,067.87 = 92,711.49/x
  3. Step 3: Cross multiply
    317,411.38x = 476,067.87 × 92,711.49
  4. Step 4: Simplify right side
    317,411.38x = 44,136,959,653.20
  5. Step 5: Solve for x
    x = 44,136,959,653.20/317,411.38
  6. Step 6: Final answer
    x = 139,052.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.