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Finding the Fourth Proportional to 228,941.70, 342,756.45 and 222,380.70

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Solution

The fourth proportional to 228,941.70, 342,756.45 and 222,380.70 is: 332,933.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,941.70 : 342,756.45 = 222,380.70 : x
  2. Step 2: Convert to fraction form
    228,941.70/342,756.45 = 222,380.70/x
  3. Step 3: Cross multiply
    228,941.70x = 342,756.45 × 222,380.70
  4. Step 4: Simplify right side
    228,941.70x = 76,222,419,280.52
  5. Step 5: Solve for x
    x = 76,222,419,280.52/228,941.70
  6. Step 6: Final answer
    x = 332,933.75

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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.