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Finding the Fourth Proportional to 454,107, 626,687.10 and 252,903

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Solution

The fourth proportional to 454,107, 626,687.10 and 252,903 is: 349,016.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,107 : 626,687.10 = 252,903 : x
  2. Step 2: Convert to fraction form
    454,107/626,687.10 = 252,903/x
  3. Step 3: Cross multiply
    454,107x = 626,687.10 × 252,903
  4. Step 4: Simplify right side
    454,107x = 158,491,047,651.30
  5. Step 5: Solve for x
    x = 158,491,047,651.30/454,107
  6. Step 6: Final answer
    x = 349,016.97

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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.