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Finding the Fourth Proportional to 625,583.91, 863,282.57 and 339,097.85

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Solution

The fourth proportional to 625,583.91, 863,282.57 and 339,097.85 is: 467,942.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,583.91 : 863,282.57 = 339,097.85 : x
  2. Step 2: Convert to fraction form
    625,583.91/863,282.57 = 339,097.85/x
  3. Step 3: Cross multiply
    625,583.91x = 863,282.57 × 339,097.85
  4. Step 4: Simplify right side
    625,583.91x = 292,737,263,429.48
  5. Step 5: Solve for x
    x = 292,737,263,429.48/625,583.91
  6. Step 6: Final answer
    x = 467,942.44

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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.