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Finding the Fourth Proportional to 442,015.56, 662,834.43 and 168,282.18

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Solution

The fourth proportional to 442,015.56, 662,834.43 and 168,282.18 is: 252,351.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,015.56 : 662,834.43 = 168,282.18 : x
  2. Step 2: Convert to fraction form
    442,015.56/662,834.43 = 168,282.18/x
  3. Step 3: Cross multiply
    442,015.56x = 662,834.43 × 168,282.18
  4. Step 4: Simplify right side
    442,015.56x = 111,543,222,859.46
  5. Step 5: Solve for x
    x = 111,543,222,859.46/442,015.56
  6. Step 6: Final answer
    x = 252,351.35

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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.