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Finding the Fourth Proportional to 317,616.58, 476,385.66 and 92,974.61

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Solution

The fourth proportional to 317,616.58, 476,385.66 and 92,974.61 is: 139,450.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,616.58 : 476,385.66 = 92,974.61 : x
  2. Step 2: Convert to fraction form
    317,616.58/476,385.66 = 92,974.61/x
  3. Step 3: Cross multiply
    317,616.58x = 476,385.66 × 92,974.61
  4. Step 4: Simplify right side
    317,616.58x = 44,291,770,948.09
  5. Step 5: Solve for x
    x = 44,291,770,948.09/317,616.58
  6. Step 6: Final answer
    x = 139,450.44

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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.