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Finding the Fourth Proportional to 351,380.43, 526,733.94 and 148,697.73

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Solution

The fourth proportional to 351,380.43, 526,733.94 and 148,697.73 is: 222,904.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,380.43 : 526,733.94 = 148,697.73 : x
  2. Step 2: Convert to fraction form
    351,380.43/526,733.94 = 148,697.73/x
  3. Step 3: Cross multiply
    351,380.43x = 526,733.94 × 148,697.73
  4. Step 4: Simplify right side
    351,380.43x = 78,324,141,191.96
  5. Step 5: Solve for x
    x = 78,324,141,191.96/351,380.43
  6. Step 6: Final answer
    x = 222,904.11

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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.