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Finding the Fourth Proportional to 331,499.25, 497,396.43 and 173,690.82

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Solution

The fourth proportional to 331,499.25, 497,396.43 and 173,690.82 is: 260,613.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,499.25 : 497,396.43 = 173,690.82 : x
  2. Step 2: Convert to fraction form
    331,499.25/497,396.43 = 173,690.82/x
  3. Step 3: Cross multiply
    331,499.25x = 497,396.43 × 173,690.82
  4. Step 4: Simplify right side
    331,499.25x = 86,393,193,791.77
  5. Step 5: Solve for x
    x = 86,393,193,791.77/331,499.25
  6. Step 6: Final answer
    x = 260,613.54

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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.