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Finding the Fourth Proportional to 308,899.21, 463,676.33 and 273,589.75

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Solution

The fourth proportional to 308,899.21, 463,676.33 and 273,589.75 is: 410,674.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,899.21 : 463,676.33 = 273,589.75 : x
  2. Step 2: Convert to fraction form
    308,899.21/463,676.33 = 273,589.75/x
  3. Step 3: Cross multiply
    308,899.21x = 463,676.33 × 273,589.75
  4. Step 4: Simplify right side
    308,899.21x = 126,857,090,730.40
  5. Step 5: Solve for x
    x = 126,857,090,730.40/308,899.21
  6. Step 6: Final answer
    x = 410,674.70

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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.