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Finding the Fourth Proportional to 468,899.97, 647,082.65 and 254,040.05

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Solution

The fourth proportional to 468,899.97, 647,082.65 and 254,040.05 is: 350,575.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,899.97 : 647,082.65 = 254,040.05 : x
  2. Step 2: Convert to fraction form
    468,899.97/647,082.65 = 254,040.05/x
  3. Step 3: Cross multiply
    468,899.97x = 647,082.65 × 254,040.05
  4. Step 4: Simplify right side
    468,899.97x = 164,384,904,254.52
  5. Step 5: Solve for x
    x = 164,384,904,254.52/468,899.97
  6. Step 6: Final answer
    x = 350,575.63

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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.