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Finding the Fourth Proportional to 339,096.20, 508,935.90 and 149,847.80

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Solution

The fourth proportional to 339,096.20, 508,935.90 and 149,847.80 is: 224,900.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,096.20 : 508,935.90 = 149,847.80 : x
  2. Step 2: Convert to fraction form
    339,096.20/508,935.90 = 149,847.80/x
  3. Step 3: Cross multiply
    339,096.20x = 508,935.90 × 149,847.80
  4. Step 4: Simplify right side
    339,096.20x = 76,262,924,956.02
  5. Step 5: Solve for x
    x = 76,262,924,956.02/339,096.20
  6. Step 6: Final answer
    x = 224,900.56

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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.