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Finding the Fourth Proportional to 555,774.62, 834,777.90 and 331,572.49

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Solution

The fourth proportional to 555,774.62, 834,777.90 and 331,572.49 is: 498,024.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,774.62 : 834,777.90 = 331,572.49 : x
  2. Step 2: Convert to fraction form
    555,774.62/834,777.90 = 331,572.49/x
  3. Step 3: Cross multiply
    555,774.62x = 834,777.90 × 331,572.49
  4. Step 4: Simplify right side
    555,774.62x = 276,789,384,813.03
  5. Step 5: Solve for x
    x = 276,789,384,813.03/555,774.62
  6. Step 6: Final answer
    x = 498,024.52

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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.