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Finding the Fourth Proportional to 1,340,271.86, 1,849,844.18 and 796,302.92

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Solution

The fourth proportional to 1,340,271.86, 1,849,844.18 and 796,302.92 is: 1,099,057.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,271.86 : 1,849,844.18 = 796,302.92 : x
  2. Step 2: Convert to fraction form
    1,340,271.86/1,849,844.18 = 796,302.92/x
  3. Step 3: Cross multiply
    1,340,271.86x = 1,849,844.18 × 796,302.92
  4. Step 4: Simplify right side
    1,340,271.86x = 1,473,036,328,694.37
  5. Step 5: Solve for x
    x = 1,473,036,328,694.37/1,340,271.86
  6. Step 6: Final answer
    x = 1,099,057.87

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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.