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Finding the Fourth Proportional to 3,696,804.94, 5,545,736.40 and 1,138,236.38

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Solution

The fourth proportional to 3,696,804.94, 5,545,736.40 and 1,138,236.38 is: 1,707,517.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,696,804.94 : 5,545,736.40 = 1,138,236.38 : x
  2. Step 2: Convert to fraction form
    3,696,804.94/5,545,736.40 = 1,138,236.38/x
  3. Step 3: Cross multiply
    3,696,804.94x = 5,545,736.40 × 1,138,236.38
  4. Step 4: Simplify right side
    3,696,804.94x = 6,312,358,924,370.23
  5. Step 5: Solve for x
    x = 6,312,358,924,370.23/3,696,804.94
  6. Step 6: Final answer
    x = 1,707,517.44

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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.