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Finding the Fourth Proportional to 500,674.16, 751,057.44 and 163,716.56

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Solution

The fourth proportional to 500,674.16, 751,057.44 and 163,716.56 is: 245,589.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,674.16 : 751,057.44 = 163,716.56 : x
  2. Step 2: Convert to fraction form
    500,674.16/751,057.44 = 163,716.56/x
  3. Step 3: Cross multiply
    500,674.16x = 751,057.44 × 163,716.56
  4. Step 4: Simplify right side
    500,674.16x = 122,960,540,439.21
  5. Step 5: Solve for x
    x = 122,960,540,439.21/500,674.16
  6. Step 6: Final answer
    x = 245,589.95

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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.