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Finding the Fourth Proportional to 488,499.33, 673,287.43 and 324,863.38

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Solution

The fourth proportional to 488,499.33, 673,287.43 and 324,863.38 is: 447,751.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,499.33 : 673,287.43 = 324,863.38 : x
  2. Step 2: Convert to fraction form
    488,499.33/673,287.43 = 324,863.38/x
  3. Step 3: Cross multiply
    488,499.33x = 673,287.43 × 324,863.38
  4. Step 4: Simplify right side
    488,499.33x = 218,726,431,033.47
  5. Step 5: Solve for x
    x = 218,726,431,033.47/488,499.33
  6. Step 6: Final answer
    x = 447,751.75

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Double scale
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Similar ratio
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1.5x scale

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.