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Finding the Fourth Proportional to 352,455.62, 527,880.92 and 276,077.34

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Solution

The fourth proportional to 352,455.62, 527,880.92 and 276,077.34 is: 413,487.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,455.62 : 527,880.92 = 276,077.34 : x
  2. Step 2: Convert to fraction form
    352,455.62/527,880.92 = 276,077.34/x
  3. Step 3: Cross multiply
    352,455.62x = 527,880.92 × 276,077.34
  4. Step 4: Simplify right side
    352,455.62x = 145,735,958,849.97
  5. Step 5: Solve for x
    x = 145,735,958,849.97/352,455.62
  6. Step 6: Final answer
    x = 413,487.41

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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.