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Finding the Fourth Proportional to 436,449.54, 654,077.10 and 329,745.82

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Solution

The fourth proportional to 436,449.54, 654,077.10 and 329,745.82 is: 494,167.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,449.54 : 654,077.10 = 329,745.82 : x
  2. Step 2: Convert to fraction form
    436,449.54/654,077.10 = 329,745.82/x
  3. Step 3: Cross multiply
    436,449.54x = 654,077.10 × 329,745.82
  4. Step 4: Simplify right side
    436,449.54x = 215,679,189,682.72
  5. Step 5: Solve for x
    x = 215,679,189,682.72/436,449.54
  6. Step 6: Final answer
    x = 494,167.53

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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.