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Finding the Fourth Proportional to 364,961.57, 503,573.91 and 203,791.82

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Solution

The fourth proportional to 364,961.57, 503,573.91 and 203,791.82 is: 281,191.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,961.57 : 503,573.91 = 203,791.82 : x
  2. Step 2: Convert to fraction form
    364,961.57/503,573.91 = 203,791.82/x
  3. Step 3: Cross multiply
    364,961.57x = 503,573.91 × 203,791.82
  4. Step 4: Simplify right side
    364,961.57x = 102,624,243,623.42
  5. Step 5: Solve for x
    x = 102,624,243,623.42/364,961.57
  6. Step 6: Final answer
    x = 281,191.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.