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Finding the Fourth Proportional to 2,379,633, 3,568,108.10 and 781,767.06

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Solution

The fourth proportional to 2,379,633, 3,568,108.10 and 781,767.06 is: 1,172,209.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,379,633 : 3,568,108.10 = 781,767.06 : x
  2. Step 2: Convert to fraction form
    2,379,633/3,568,108.10 = 781,767.06/x
  3. Step 3: Cross multiply
    2,379,633x = 3,568,108.10 × 781,767.06
  4. Step 4: Simplify right side
    2,379,633x = 2,789,429,379,099.19
  5. Step 5: Solve for x
    x = 2,789,429,379,099.19/2,379,633
  6. Step 6: Final answer
    x = 1,172,209.91

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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.