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Finding the Fourth Proportional to 335,614.68, 503,221.20 and 227,676.72

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Solution

The fourth proportional to 335,614.68, 503,221.20 and 227,676.72 is: 341,378.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,614.68 : 503,221.20 = 227,676.72 : x
  2. Step 2: Convert to fraction form
    335,614.68/503,221.20 = 227,676.72/x
  3. Step 3: Cross multiply
    335,614.68x = 503,221.20 × 227,676.72
  4. Step 4: Simplify right side
    335,614.68x = 114,571,752,250.46
  5. Step 5: Solve for x
    x = 114,571,752,250.46/335,614.68
  6. Step 6: Final answer
    x = 341,378.85

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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.