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Finding the Fourth Proportional to 562,628, 843,942 and 168,644

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Solution

The fourth proportional to 562,628, 843,942 and 168,644 is: 252,966

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,628 : 843,942 = 168,644 : x
  2. Step 2: Convert to fraction form
    562,628/843,942 = 168,644/x
  3. Step 3: Cross multiply
    562,628x = 843,942 × 168,644
  4. Step 4: Simplify right side
    562,628x = 142,325,754,648
  5. Step 5: Solve for x
    x = 142,325,754,648/562,628
  6. Step 6: Final answer
    x = 252,966

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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.