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Finding the Fourth Proportional to 365,156.56, 503,898.06 and 203,979.52

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Solution

The fourth proportional to 365,156.56, 503,898.06 and 203,979.52 is: 281,481.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,156.56 : 503,898.06 = 203,979.52 : x
  2. Step 2: Convert to fraction form
    365,156.56/503,898.06 = 203,979.52/x
  3. Step 3: Cross multiply
    365,156.56x = 503,898.06 × 203,979.52
  4. Step 4: Simplify right side
    365,156.56x = 102,784,884,407.73
  5. Step 5: Solve for x
    x = 102,784,884,407.73/365,156.56
  6. Step 6: Final answer
    x = 281,481.69

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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.