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Finding the Fourth Proportional to 439,391.56, 659,082.56 and 333,426.29

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Solution

The fourth proportional to 439,391.56, 659,082.56 and 333,426.29 is: 500,135.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,391.56 : 659,082.56 = 333,426.29 : x
  2. Step 2: Convert to fraction form
    439,391.56/659,082.56 = 333,426.29/x
  3. Step 3: Cross multiply
    439,391.56x = 659,082.56 × 333,426.29
  4. Step 4: Simplify right side
    439,391.56x = 219,755,450,155.44
  5. Step 5: Solve for x
    x = 219,755,450,155.44/439,391.56
  6. Step 6: Final answer
    x = 500,135.80

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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.