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Finding the Fourth Proportional to 468,917.10, 647,100.50 and 254,044.35

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Solution

The fourth proportional to 468,917.10, 647,100.50 and 254,044.35 is: 350,578.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,917.10 : 647,100.50 = 254,044.35 : x
  2. Step 2: Convert to fraction form
    468,917.10/647,100.50 = 254,044.35/x
  3. Step 3: Cross multiply
    468,917.10x = 647,100.50 × 254,044.35
  4. Step 4: Simplify right side
    468,917.10x = 164,392,224,636.95
  5. Step 5: Solve for x
    x = 164,392,224,636.95/468,917.10
  6. Step 6: Final answer
    x = 350,578.44

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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.