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Finding the Fourth Proportional to 330,773.59, 496,324.56 and 131,089.55

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Solution

The fourth proportional to 330,773.59, 496,324.56 and 131,089.55 is: 196,699.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,773.59 : 496,324.56 = 131,089.55 : x
  2. Step 2: Convert to fraction form
    330,773.59/496,324.56 = 131,089.55/x
  3. Step 3: Cross multiply
    330,773.59x = 496,324.56 × 131,089.55
  4. Step 4: Simplify right side
    330,773.59x = 65,062,964,219.37
  5. Step 5: Solve for x
    x = 65,062,964,219.37/330,773.59
  6. Step 6: Final answer
    x = 196,699.39

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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.