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Finding the Fourth Proportional to 293,896.76, 405,621.84 and 179,241.92

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Solution

The fourth proportional to 293,896.76, 405,621.84 and 179,241.92 is: 247,380.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,896.76 : 405,621.84 = 179,241.92 : x
  2. Step 2: Convert to fraction form
    293,896.76/405,621.84 = 179,241.92/x
  3. Step 3: Cross multiply
    293,896.76x = 405,621.84 × 179,241.92
  4. Step 4: Simplify right side
    293,896.76x = 72,704,437,395.53
  5. Step 5: Solve for x
    x = 72,704,437,395.53/293,896.76
  6. Step 6: Final answer
    x = 247,380.87

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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.