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Finding the Fourth Proportional to 541,216.49, 811,729.69 and 167,242.73

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Solution

The fourth proportional to 541,216.49, 811,729.69 and 167,242.73 is: 250,834.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,216.49 : 811,729.69 = 167,242.73 : x
  2. Step 2: Convert to fraction form
    541,216.49/811,729.69 = 167,242.73/x
  3. Step 3: Cross multiply
    541,216.49x = 811,729.69 × 167,242.73
  4. Step 4: Simplify right side
    541,216.49x = 135,755,889,377.65
  5. Step 5: Solve for x
    x = 135,755,889,377.65/541,216.49
  6. Step 6: Final answer
    x = 250,834.72

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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.