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Finding the Fourth Proportional to 393,696.72, 589,657.24 and 182,891.04

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Solution

The fourth proportional to 393,696.72, 589,657.24 and 182,891.04 is: 273,924.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,696.72 : 589,657.24 = 182,891.04 : x
  2. Step 2: Convert to fraction form
    393,696.72/589,657.24 = 182,891.04/x
  3. Step 3: Cross multiply
    393,696.72x = 589,657.24 × 182,891.04
  4. Step 4: Simplify right side
    393,696.72x = 107,843,025,867.13
  5. Step 5: Solve for x
    x = 107,843,025,867.13/393,696.72
  6. Step 6: Final answer
    x = 273,924.12

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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.