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Finding the Fourth Proportional to 496,503.78, 744,455.43 and 222,900.36

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Solution

The fourth proportional to 496,503.78, 744,455.43 and 222,900.36 is: 334,215.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,503.78 : 744,455.43 = 222,900.36 : x
  2. Step 2: Convert to fraction form
    496,503.78/744,455.43 = 222,900.36/x
  3. Step 3: Cross multiply
    496,503.78x = 744,455.43 × 222,900.36
  4. Step 4: Simplify right side
    496,503.78x = 165,939,383,350.96
  5. Step 5: Solve for x
    x = 165,939,383,350.96/496,503.78
  6. Step 6: Final answer
    x = 334,215.75

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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.