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Finding the Fourth Proportional to 1,949,967.27, 2,923,366.23 and 813,576.51

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Solution

The fourth proportional to 1,949,967.27, 2,923,366.23 and 813,576.51 is: 1,219,703.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,949,967.27 : 2,923,366.23 = 813,576.51 : x
  2. Step 2: Convert to fraction form
    1,949,967.27/2,923,366.23 = 813,576.51/x
  3. Step 3: Cross multiply
    1,949,967.27x = 2,923,366.23 × 813,576.51
  4. Step 4: Simplify right side
    1,949,967.27x = 2,378,382,094,855.26
  5. Step 5: Solve for x
    x = 2,378,382,094,855.26/1,949,967.27
  6. Step 6: Final answer
    x = 1,219,703.60

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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.