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Finding the Fourth Proportional to 365,020.52, 503,723.04 and 203,877.90

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Solution

The fourth proportional to 365,020.52, 503,723.04 and 203,877.90 is: 281,348.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,020.52 : 503,723.04 = 203,877.90 : x
  2. Step 2: Convert to fraction form
    365,020.52/503,723.04 = 203,877.90/x
  3. Step 3: Cross multiply
    365,020.52x = 503,723.04 × 203,877.90
  4. Step 4: Simplify right side
    365,020.52x = 102,697,995,576.82
  5. Step 5: Solve for x
    x = 102,697,995,576.82/365,020.52
  6. Step 6: Final answer
    x = 281,348.56

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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.