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Finding the Fourth Proportional to 331,158.48, 496,836.48 and 153,814.56

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Solution

The fourth proportional to 331,158.48, 496,836.48 and 153,814.56 is: 230,767.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,158.48 : 496,836.48 = 153,814.56 : x
  2. Step 2: Convert to fraction form
    331,158.48/496,836.48 = 153,814.56/x
  3. Step 3: Cross multiply
    331,158.48x = 496,836.48 × 153,814.56
  4. Step 4: Simplify right side
    331,158.48x = 76,420,684,563.15
  5. Step 5: Solve for x
    x = 76,420,684,563.15/331,158.48
  6. Step 6: Final answer
    x = 230,767.71

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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.