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Finding the Fourth Proportional to 946,446, 1,419,672.05 and 236,474.12

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Solution

The fourth proportional to 946,446, 1,419,672.05 and 236,474.12 is: 354,711.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,446 : 1,419,672.05 = 236,474.12 : x
  2. Step 2: Convert to fraction form
    946,446/1,419,672.05 = 236,474.12/x
  3. Step 3: Cross multiply
    946,446x = 1,419,672.05 × 236,474.12
  4. Step 4: Simplify right side
    946,446x = 335,715,690,431.62
  5. Step 5: Solve for x
    x = 335,715,690,431.62/946,446
  6. Step 6: Final answer
    x = 354,711.93

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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.