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Finding the Fourth Proportional to 496,318.56, 744,114.89 and 159,167.31

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Solution

The fourth proportional to 496,318.56, 744,114.89 and 159,167.31 is: 238,634.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,318.56 : 744,114.89 = 159,167.31 : x
  2. Step 2: Convert to fraction form
    496,318.56/744,114.89 = 159,167.31/x
  3. Step 3: Cross multiply
    496,318.56x = 744,114.89 × 159,167.31
  4. Step 4: Simplify right side
    496,318.56x = 118,438,764,576.41
  5. Step 5: Solve for x
    x = 118,438,764,576.41/496,318.56
  6. Step 6: Final answer
    x = 238,634.57

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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.