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Finding the Fourth Proportional to 496,764.88, 744,560.56 and 212,372.24

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Solution

The fourth proportional to 496,764.88, 744,560.56 and 212,372.24 is: 318,307.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,764.88 : 744,560.56 = 212,372.24 : x
  2. Step 2: Convert to fraction form
    496,764.88/744,560.56 = 212,372.24/x
  3. Step 3: Cross multiply
    496,764.88x = 744,560.56 × 212,372.24
  4. Step 4: Simplify right side
    496,764.88x = 158,123,993,942.85
  5. Step 5: Solve for x
    x = 158,123,993,942.85/496,764.88
  6. Step 6: Final answer
    x = 318,307.51

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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.