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Finding the Fourth Proportional to 297,998.11, 446,993.38 and 73,361.35

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Solution

The fourth proportional to 297,998.11, 446,993.38 and 73,361.35 is: 110,041.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,998.11 : 446,993.38 = 73,361.35 : x
  2. Step 2: Convert to fraction form
    297,998.11/446,993.38 = 73,361.35/x
  3. Step 3: Cross multiply
    297,998.11x = 446,993.38 × 73,361.35
  4. Step 4: Simplify right side
    297,998.11x = 32,792,037,797.86
  5. Step 5: Solve for x
    x = 32,792,037,797.86/297,998.11
  6. Step 6: Final answer
    x = 110,041.09

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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.