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Finding the Fourth Proportional to 368,227.76, 507,446.52 and 262,059.44

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Solution

The fourth proportional to 368,227.76, 507,446.52 and 262,059.44 is: 361,138.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,227.76 : 507,446.52 = 262,059.44 : x
  2. Step 2: Convert to fraction form
    368,227.76/507,446.52 = 262,059.44/x
  3. Step 3: Cross multiply
    368,227.76x = 507,446.52 × 262,059.44
  4. Step 4: Simplify right side
    368,227.76x = 132,981,150,861.15
  5. Step 5: Solve for x
    x = 132,981,150,861.15/368,227.76
  6. Step 6: Final answer
    x = 361,138.31

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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.