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Finding the Fourth Proportional to 366,912.70, 550,369.05 and 234,052.45

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Solution

The fourth proportional to 366,912.70, 550,369.05 and 234,052.45 is: 351,078.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,912.70 : 550,369.05 = 234,052.45 : x
  2. Step 2: Convert to fraction form
    366,912.70/550,369.05 = 234,052.45/x
  3. Step 3: Cross multiply
    366,912.70x = 550,369.05 × 234,052.45
  4. Step 4: Simplify right side
    366,912.70x = 128,815,224,556.67
  5. Step 5: Solve for x
    x = 128,815,224,556.67/366,912.70
  6. Step 6: Final answer
    x = 351,078.68

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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.