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Finding the Fourth Proportional to 1,965,891.24, 2,946,346.38 and 955,244.52

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Solution

The fourth proportional to 1,965,891.24, 2,946,346.38 and 955,244.52 is: 1,431,656.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,965,891.24 : 2,946,346.38 = 955,244.52 : x
  2. Step 2: Convert to fraction form
    1,965,891.24/2,946,346.38 = 955,244.52/x
  3. Step 3: Cross multiply
    1,965,891.24x = 2,946,346.38 × 955,244.52
  4. Step 4: Simplify right side
    1,965,891.24x = 2,814,481,233,516.84
  5. Step 5: Solve for x
    x = 2,814,481,233,516.84/1,965,891.24
  6. Step 6: Final answer
    x = 1,431,656.63

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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.