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Finding the Fourth Proportional to 496,354.36, 744,249.06 and 338,773.72

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Solution

The fourth proportional to 496,354.36, 744,249.06 and 338,773.72 is: 507,967.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,354.36 : 744,249.06 = 338,773.72 : x
  2. Step 2: Convert to fraction form
    496,354.36/744,249.06 = 338,773.72/x
  3. Step 3: Cross multiply
    496,354.36x = 744,249.06 × 338,773.72
  4. Step 4: Simplify right side
    496,354.36x = 252,132,022,662.70
  5. Step 5: Solve for x
    x = 252,132,022,662.70/496,354.36
  6. Step 6: Final answer
    x = 507,967.78

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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.