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Finding the Fourth Proportional to 331,482.83, 457,424.76 and 195,485.61

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Solution

The fourth proportional to 331,482.83, 457,424.76 and 195,485.61 is: 269,757.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,482.83 : 457,424.76 = 195,485.61 : x
  2. Step 2: Convert to fraction form
    331,482.83/457,424.76 = 195,485.61/x
  3. Step 3: Cross multiply
    331,482.83x = 457,424.76 × 195,485.61
  4. Step 4: Simplify right side
    331,482.83x = 89,419,958,237.70
  5. Step 5: Solve for x
    x = 89,419,958,237.70/331,482.83
  6. Step 6: Final answer
    x = 269,757.44

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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.