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Finding the Fourth Proportional to 1,425,367.24, 1,966,942.38 and 852,723.16

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Solution

The fourth proportional to 1,425,367.24, 1,966,942.38 and 852,723.16 is: 1,176,719.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,367.24 : 1,966,942.38 = 852,723.16 : x
  2. Step 2: Convert to fraction form
    1,425,367.24/1,966,942.38 = 852,723.16/x
  3. Step 3: Cross multiply
    1,425,367.24x = 1,966,942.38 × 852,723.16
  4. Step 4: Simplify right side
    1,425,367.24x = 1,677,257,321,811.52
  5. Step 5: Solve for x
    x = 1,677,257,321,811.52/1,425,367.24
  6. Step 6: Final answer
    x = 1,176,719.43

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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.