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Finding the Fourth Proportional to 318,814.18, 477,696.39 and 222,761.14

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Solution

The fourth proportional to 318,814.18, 477,696.39 and 222,761.14 is: 333,774.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,814.18 : 477,696.39 = 222,761.14 : x
  2. Step 2: Convert to fraction form
    318,814.18/477,696.39 = 222,761.14/x
  3. Step 3: Cross multiply
    318,814.18x = 477,696.39 × 222,761.14
  4. Step 4: Simplify right side
    318,814.18x = 106,412,190,380.69
  5. Step 5: Solve for x
    x = 106,412,190,380.69/318,814.18
  6. Step 6: Final answer
    x = 333,774.96

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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.