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Finding the Fourth Proportional to 303,191.10, 454,218.03 and 253,589.94

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Solution

The fourth proportional to 303,191.10, 454,218.03 and 253,589.94 is: 379,909.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,191.10 : 454,218.03 = 253,589.94 : x
  2. Step 2: Convert to fraction form
    303,191.10/454,218.03 = 253,589.94/x
  3. Step 3: Cross multiply
    303,191.10x = 454,218.03 × 253,589.94
  4. Step 4: Simplify right side
    303,191.10x = 115,185,122,974.62
  5. Step 5: Solve for x
    x = 115,185,122,974.62/303,191.10
  6. Step 6: Final answer
    x = 379,909.31

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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.