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Finding the Fourth Proportional to 439,633.33, 606,704.85 and 246,039.53

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Solution

The fourth proportional to 439,633.33, 606,704.85 and 246,039.53 is: 339,540.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,633.33 : 606,704.85 = 246,039.53 : x
  2. Step 2: Convert to fraction form
    439,633.33/606,704.85 = 246,039.53/x
  3. Step 3: Cross multiply
    439,633.33x = 606,704.85 × 246,039.53
  4. Step 4: Simplify right side
    439,633.33x = 149,273,373,109.20
  5. Step 5: Solve for x
    x = 149,273,373,109.20/439,633.33
  6. Step 6: Final answer
    x = 339,540.62

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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.