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Finding the Fourth Proportional to 463,137.40, 694,770.90 and 196,895.80

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Solution

The fourth proportional to 463,137.40, 694,770.90 and 196,895.80 is: 295,371.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,137.40 : 694,770.90 = 196,895.80 : x
  2. Step 2: Convert to fraction form
    463,137.40/694,770.90 = 196,895.80/x
  3. Step 3: Cross multiply
    463,137.40x = 694,770.90 × 196,895.80
  4. Step 4: Simplify right side
    463,137.40x = 136,797,472,172.22
  5. Step 5: Solve for x
    x = 136,797,472,172.22/463,137.40
  6. Step 6: Final answer
    x = 295,371.25

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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.