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Finding the Fourth Proportional to 504,793.56, 696,628.22 and 275,354.70

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Solution

The fourth proportional to 504,793.56, 696,628.22 and 275,354.70 is: 379,996.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,793.56 : 696,628.22 = 275,354.70 : x
  2. Step 2: Convert to fraction form
    504,793.56/696,628.22 = 275,354.70/x
  3. Step 3: Cross multiply
    504,793.56x = 696,628.22 × 275,354.70
  4. Step 4: Simplify right side
    504,793.56x = 191,819,854,529.63
  5. Step 5: Solve for x
    x = 191,819,854,529.63/504,793.56
  6. Step 6: Final answer
    x = 379,996.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.