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Finding the Fourth Proportional to 2,855,385, 4,282,617.96 and 833,154.12

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Solution

The fourth proportional to 2,855,385, 4,282,617.96 and 833,154.12 is: 1,249,597.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,855,385 : 4,282,617.96 = 833,154.12 : x
  2. Step 2: Convert to fraction form
    2,855,385/4,282,617.96 = 833,154.12/x
  3. Step 3: Cross multiply
    2,855,385x = 4,282,617.96 × 833,154.12
  4. Step 4: Simplify right side
    2,855,385x = 3,568,080,797,760.00
  5. Step 5: Solve for x
    x = 3,568,080,797,760.00/2,855,385
  6. Step 6: Final answer
    x = 1,249,597.09

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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.