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Finding the Fourth Proportional to 358,604.21, 494,863.88 and 195,263.56

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Solution

The fourth proportional to 358,604.21, 494,863.88 and 195,263.56 is: 269,458.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,604.21 : 494,863.88 = 195,263.56 : x
  2. Step 2: Convert to fraction form
    358,604.21/494,863.88 = 195,263.56/x
  3. Step 3: Cross multiply
    358,604.21x = 494,863.88 × 195,263.56
  4. Step 4: Simplify right side
    358,604.21x = 96,628,883,664.83
  5. Step 5: Solve for x
    x = 96,628,883,664.83/358,604.21
  6. Step 6: Final answer
    x = 269,458.31

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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.