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Finding the Fourth Proportional to 374,696.44, 517,081.10 and 204,930.56

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Solution

The fourth proportional to 374,696.44, 517,081.10 and 204,930.56 is: 282,804.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,696.44 : 517,081.10 = 204,930.56 : x
  2. Step 2: Convert to fraction form
    374,696.44/517,081.10 = 204,930.56/x
  3. Step 3: Cross multiply
    374,696.44x = 517,081.10 × 204,930.56
  4. Step 4: Simplify right side
    374,696.44x = 105,965,719,656.47
  5. Step 5: Solve for x
    x = 105,965,719,656.47/374,696.44
  6. Step 6: Final answer
    x = 282,804.18

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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.