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Finding the Fourth Proportional to 2,069,986, 3,104,979 and 574,078

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Solution

The fourth proportional to 2,069,986, 3,104,979 and 574,078 is: 861,117

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,069,986 : 3,104,979 = 574,078 : x
  2. Step 2: Convert to fraction form
    2,069,986/3,104,979 = 574,078/x
  3. Step 3: Cross multiply
    2,069,986x = 3,104,979 × 574,078
  4. Step 4: Simplify right side
    2,069,986x = 1,782,500,134,362
  5. Step 5: Solve for x
    x = 1,782,500,134,362/2,069,986
  6. Step 6: Final answer
    x = 861,117

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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.