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Finding the Fourth Proportional to 591,678, 887,517 and 197,694

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Solution

The fourth proportional to 591,678, 887,517 and 197,694 is: 296,541

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,678 : 887,517 = 197,694 : x
  2. Step 2: Convert to fraction form
    591,678/887,517 = 197,694/x
  3. Step 3: Cross multiply
    591,678x = 887,517 × 197,694
  4. Step 4: Simplify right side
    591,678x = 175,456,785,798
  5. Step 5: Solve for x
    x = 175,456,785,798/591,678
  6. Step 6: Final answer
    x = 296,541

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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.