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Finding the Fourth Proportional to 1,444,200.91, 1,993,059.53 and 799,621.11

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Solution

The fourth proportional to 1,444,200.91, 1,993,059.53 and 799,621.11 is: 1,103,511.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,444,200.91 : 1,993,059.53 = 799,621.11 : x
  2. Step 2: Convert to fraction form
    1,444,200.91/1,993,059.53 = 799,621.11/x
  3. Step 3: Cross multiply
    1,444,200.91x = 1,993,059.53 × 799,621.11
  4. Step 4: Simplify right side
    1,444,200.91x = 1,593,692,473,674.68
  5. Step 5: Solve for x
    x = 1,593,692,473,674.68/1,444,200.91
  6. Step 6: Final answer
    x = 1,103,511.61

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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.