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Finding the Fourth Proportional to 468,899.96, 647,082.59 and 254,040.03

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Solution

The fourth proportional to 468,899.96, 647,082.59 and 254,040.03 is: 350,575.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,899.96 : 647,082.59 = 254,040.03 : x
  2. Step 2: Convert to fraction form
    468,899.96/647,082.59 = 254,040.03/x
  3. Step 3: Cross multiply
    468,899.96x = 647,082.59 × 254,040.03
  4. Step 4: Simplify right side
    468,899.96x = 164,384,879,305.88
  5. Step 5: Solve for x
    x = 164,384,879,305.88/468,899.96
  6. Step 6: Final answer
    x = 350,575.59

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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.