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Finding the Fourth Proportional to 3,788,255.69, 5,682,367.11 and 948,359.64

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Solution

The fourth proportional to 3,788,255.69, 5,682,367.11 and 948,359.64 is: 1,422,535.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,788,255.69 : 5,682,367.11 = 948,359.64 : x
  2. Step 2: Convert to fraction form
    3,788,255.69/5,682,367.11 = 948,359.64/x
  3. Step 3: Cross multiply
    3,788,255.69x = 5,682,367.11 × 948,359.64
  4. Step 4: Simplify right side
    3,788,255.69x = 5,388,927,651,652.67
  5. Step 5: Solve for x
    x = 5,388,927,651,652.67/3,788,255.69
  6. Step 6: Final answer
    x = 1,422,535.36

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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.