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Finding the Fourth Proportional to 1,953,388.11, 2,930,786.87 and 1,041,611.61

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Solution

The fourth proportional to 1,953,388.11, 2,930,786.87 and 1,041,611.61 is: 1,562,793.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,953,388.11 : 2,930,786.87 = 1,041,611.61 : x
  2. Step 2: Convert to fraction form
    1,953,388.11/2,930,786.87 = 1,041,611.61/x
  3. Step 3: Cross multiply
    1,953,388.11x = 2,930,786.87 × 1,041,611.61
  4. Step 4: Simplify right side
    1,953,388.11x = 3,052,741,625,019.50
  5. Step 5: Solve for x
    x = 3,052,741,625,019.50/1,953,388.11
  6. Step 6: Final answer
    x = 1,562,793.18

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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.