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Finding the Fourth Proportional to 562,646, 843,969.18 and 168,662

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Solution

The fourth proportional to 562,646, 843,969.18 and 168,662 is: 252,993.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,646 : 843,969.18 = 168,662 : x
  2. Step 2: Convert to fraction form
    562,646/843,969.18 = 168,662/x
  3. Step 3: Cross multiply
    562,646x = 843,969.18 × 168,662
  4. Step 4: Simplify right side
    562,646x = 142,345,529,837.16
  5. Step 5: Solve for x
    x = 142,345,529,837.16/562,646
  6. Step 6: Final answer
    x = 252,993.05

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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.