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Finding the Fourth Proportional to 325,628.93, 449,367.93 and 198,304.53

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Solution

The fourth proportional to 325,628.93, 449,367.93 and 198,304.53 is: 273,660.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,628.93 : 449,367.93 = 198,304.53 : x
  2. Step 2: Convert to fraction form
    325,628.93/449,367.93 = 198,304.53/x
  3. Step 3: Cross multiply
    325,628.93x = 449,367.93 × 198,304.53
  4. Step 4: Simplify right side
    325,628.93x = 89,111,696,155.72
  5. Step 5: Solve for x
    x = 89,111,696,155.72/325,628.93
  6. Step 6: Final answer
    x = 273,660.26

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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.