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Finding the Fourth Proportional to 318,817.43, 477,701.26 and 222,764.39

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Solution

The fourth proportional to 318,817.43, 477,701.26 and 222,764.39 is: 333,779.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,817.43 : 477,701.26 = 222,764.39 : x
  2. Step 2: Convert to fraction form
    318,817.43/477,701.26 = 222,764.39/x
  3. Step 3: Cross multiply
    318,817.43x = 477,701.26 × 222,764.39
  4. Step 4: Simplify right side
    318,817.43x = 106,414,829,786.13
  5. Step 5: Solve for x
    x = 106,414,829,786.13/318,817.43
  6. Step 6: Final answer
    x = 333,779.84

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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.