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Finding the Fourth Proportional to 363,618.63, 501,788.92 and 200,272

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Solution

The fourth proportional to 363,618.63, 501,788.92 and 200,272 is: 276,372.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,618.63 : 501,788.92 = 200,272 : x
  2. Step 2: Convert to fraction form
    363,618.63/501,788.92 = 200,272/x
  3. Step 3: Cross multiply
    363,618.63x = 501,788.92 × 200,272
  4. Step 4: Simplify right side
    363,618.63x = 100,494,270,586.24
  5. Step 5: Solve for x
    x = 100,494,270,586.24/363,618.63
  6. Step 6: Final answer
    x = 276,372.72

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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.