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Finding the Fourth Proportional to 363,105.27, 501,078.08 and 201,956.85

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Solution

The fourth proportional to 363,105.27, 501,078.08 and 201,956.85 is: 278,696.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,105.27 : 501,078.08 = 201,956.85 : x
  2. Step 2: Convert to fraction form
    363,105.27/501,078.08 = 201,956.85/x
  3. Step 3: Cross multiply
    363,105.27x = 501,078.08 × 201,956.85
  4. Step 4: Simplify right side
    363,105.27x = 101,196,151,145.74
  5. Step 5: Solve for x
    x = 101,196,151,145.74/363,105.27
  6. Step 6: Final answer
    x = 278,696.45

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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.