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Finding the Fourth Proportional to 468,961.71, 647,170.12 and 254,103.33

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Solution

The fourth proportional to 468,961.71, 647,170.12 and 254,103.33 is: 350,664.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,961.71 : 647,170.12 = 254,103.33 : x
  2. Step 2: Convert to fraction form
    468,961.71/647,170.12 = 254,103.33/x
  3. Step 3: Cross multiply
    468,961.71x = 647,170.12 × 254,103.33
  4. Step 4: Simplify right side
    468,961.71x = 164,448,082,568.50
  5. Step 5: Solve for x
    x = 164,448,082,568.50/468,961.71
  6. Step 6: Final answer
    x = 350,664.20

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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.