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Finding the Fourth Proportional to 496,286.71, 744,103.38 and 327,291.75

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Solution

The fourth proportional to 496,286.71, 744,103.38 and 327,291.75 is: 490,722.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,286.71 : 744,103.38 = 327,291.75 : x
  2. Step 2: Convert to fraction form
    496,286.71/744,103.38 = 327,291.75/x
  3. Step 3: Cross multiply
    496,286.71x = 744,103.38 × 327,291.75
  4. Step 4: Simplify right side
    496,286.71x = 243,538,897,421.12
  5. Step 5: Solve for x
    x = 243,538,897,421.12/496,286.71
  6. Step 6: Final answer
    x = 490,722.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.