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Finding the Fourth Proportional to 351,350.49, 484,863.83 and 190,205.54

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Solution

The fourth proportional to 351,350.49, 484,863.83 and 190,205.54 is: 262,483.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,350.49 : 484,863.83 = 190,205.54 : x
  2. Step 2: Convert to fraction form
    351,350.49/484,863.83 = 190,205.54/x
  3. Step 3: Cross multiply
    351,350.49x = 484,863.83 × 190,205.54
  4. Step 4: Simplify right side
    351,350.49x = 92,223,786,611.62
  5. Step 5: Solve for x
    x = 92,223,786,611.62/351,350.49
  6. Step 6: Final answer
    x = 262,483.73

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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.