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Finding the Fourth Proportional to 562,774, 844,161 and 168,790

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Solution

The fourth proportional to 562,774, 844,161 and 168,790 is: 253,185

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,774 : 844,161 = 168,790 : x
  2. Step 2: Convert to fraction form
    562,774/844,161 = 168,790/x
  3. Step 3: Cross multiply
    562,774x = 844,161 × 168,790
  4. Step 4: Simplify right side
    562,774x = 142,485,935,190
  5. Step 5: Solve for x
    x = 142,485,935,190/562,774
  6. Step 6: Final answer
    x = 253,185

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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.