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Finding the Fourth Proportional to 325,888.11, 449,724.42 and 190,002.51

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Solution

The fourth proportional to 325,888.11, 449,724.42 and 190,002.51 is: 262,202.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,888.11 : 449,724.42 = 190,002.51 : x
  2. Step 2: Convert to fraction form
    325,888.11/449,724.42 = 190,002.51/x
  3. Step 3: Cross multiply
    325,888.11x = 449,724.42 × 190,002.51
  4. Step 4: Simplify right side
    325,888.11x = 85,448,768,608.29
  5. Step 5: Solve for x
    x = 85,448,768,608.29/325,888.11
  6. Step 6: Final answer
    x = 262,202.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.