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Finding the Fourth Proportional to 562,645, 843,967.68 and 168,661

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Solution

The fourth proportional to 562,645, 843,967.68 and 168,661 is: 252,991.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,645 : 843,967.68 = 168,661 : x
  2. Step 2: Convert to fraction form
    562,645/843,967.68 = 168,661/x
  3. Step 3: Cross multiply
    562,645x = 843,967.68 × 168,661
  4. Step 4: Simplify right side
    562,645x = 142,344,432,876.48
  5. Step 5: Solve for x
    x = 142,344,432,876.48/562,645
  6. Step 6: Final answer
    x = 252,991.55

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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.