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Finding the Fourth Proportional to 1,496.51, 2,246.39 and 912.44

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Solution

The fourth proportional to 1,496.51, 2,246.39 and 912.44 is: 1,369.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,496.51 : 2,246.39 = 912.44 : x
  2. Step 2: Convert to fraction form
    1,496.51/2,246.39 = 912.44/x
  3. Step 3: Cross multiply
    1,496.51x = 2,246.39 × 912.44
  4. Step 4: Simplify right side
    1,496.51x = 2,049,680.30
  5. Step 5: Solve for x
    x = 2,049,680.30/1,496.51
  6. Step 6: Final answer
    x = 1,369.64

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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.