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Finding the Fourth Proportional to 373,318.70, 559,309.80 and 226,992.20

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Solution

The fourth proportional to 373,318.70, 559,309.80 and 226,992.20 is: 340,081.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,318.70 : 559,309.80 = 226,992.20 : x
  2. Step 2: Convert to fraction form
    373,318.70/559,309.80 = 226,992.20/x
  3. Step 3: Cross multiply
    373,318.70x = 559,309.80 × 226,992.20
  4. Step 4: Simplify right side
    373,318.70x = 126,958,961,983.56
  5. Step 5: Solve for x
    x = 126,958,961,983.56/373,318.70
  6. Step 6: Final answer
    x = 340,081.98

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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.