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Finding the Fourth Proportional to 562,626, 843,939 and 168,642

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Solution

The fourth proportional to 562,626, 843,939 and 168,642 is: 252,963

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,626 : 843,939 = 168,642 : x
  2. Step 2: Convert to fraction form
    562,626/843,939 = 168,642/x
  3. Step 3: Cross multiply
    562,626x = 843,939 × 168,642
  4. Step 4: Simplify right side
    562,626x = 142,323,560,838
  5. Step 5: Solve for x
    x = 142,323,560,838/562,626
  6. Step 6: Final answer
    x = 252,963

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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.