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Finding the Fourth Proportional to 331,805.37, 496,564.47 and 203,636.61

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Solution

The fourth proportional to 331,805.37, 496,564.47 and 203,636.61 is: 304,753.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,805.37 : 496,564.47 = 203,636.61 : x
  2. Step 2: Convert to fraction form
    331,805.37/496,564.47 = 203,636.61/x
  3. Step 3: Cross multiply
    331,805.37x = 496,564.47 × 203,636.61
  4. Step 4: Simplify right side
    331,805.37x = 101,118,705,317.25
  5. Step 5: Solve for x
    x = 101,118,705,317.25/331,805.37
  6. Step 6: Final answer
    x = 304,753.07

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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.