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Finding the Fourth Proportional to 365,105.56, 503,827.68 and 203,928.52

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Solution

The fourth proportional to 365,105.56, 503,827.68 and 203,928.52 is: 281,411.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,105.56 : 503,827.68 = 203,928.52 : x
  2. Step 2: Convert to fraction form
    365,105.56/503,827.68 = 203,928.52/x
  3. Step 3: Cross multiply
    365,105.56x = 503,827.68 × 203,928.52
  4. Step 4: Simplify right side
    365,105.56x = 102,744,833,117.43
  5. Step 5: Solve for x
    x = 102,744,833,117.43/365,105.56
  6. Step 6: Final answer
    x = 281,411.31

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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.