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Finding the Fourth Proportional to 775,382.15, 1,162,919.89 and 736,932.11

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Solution

The fourth proportional to 775,382.15, 1,162,919.89 and 736,932.11 is: 1,105,252.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,382.15 : 1,162,919.89 = 736,932.11 : x
  2. Step 2: Convert to fraction form
    775,382.15/1,162,919.89 = 736,932.11/x
  3. Step 3: Cross multiply
    775,382.15x = 1,162,919.89 × 736,932.11
  4. Step 4: Simplify right side
    775,382.15x = 856,993,004,614.01
  5. Step 5: Solve for x
    x = 856,993,004,614.01/775,382.15
  6. Step 6: Final answer
    x = 1,105,252.43

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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.