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Finding the Fourth Proportional to 351,379.43, 526,732.44 and 148,696.73

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Solution

The fourth proportional to 351,379.43, 526,732.44 and 148,696.73 is: 222,902.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,379.43 : 526,732.44 = 148,696.73 : x
  2. Step 2: Convert to fraction form
    351,379.43/526,732.44 = 148,696.73/x
  3. Step 3: Cross multiply
    351,379.43x = 526,732.44 × 148,696.73
  4. Step 4: Simplify right side
    351,379.43x = 78,323,391,412.92
  5. Step 5: Solve for x
    x = 78,323,391,412.92/351,379.43
  6. Step 6: Final answer
    x = 222,902.61

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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.