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Finding the Fourth Proportional to 325,685.81, 449,446.43 and 182,445.82

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Solution

The fourth proportional to 325,685.81, 449,446.43 and 182,445.82 is: 251,775.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,685.81 : 449,446.43 = 182,445.82 : x
  2. Step 2: Convert to fraction form
    325,685.81/449,446.43 = 182,445.82/x
  3. Step 3: Cross multiply
    325,685.81x = 449,446.43 × 182,445.82
  4. Step 4: Simplify right side
    325,685.81x = 81,999,621,799.92
  5. Step 5: Solve for x
    x = 81,999,621,799.92/325,685.81
  6. Step 6: Final answer
    x = 251,775.23

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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.