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Finding the Fourth Proportional to 483,399.90, 667,077.39 and 265,608.18

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Solution

The fourth proportional to 483,399.90, 667,077.39 and 265,608.18 is: 366,531.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,399.90 : 667,077.39 = 265,608.18 : x
  2. Step 2: Convert to fraction form
    483,399.90/667,077.39 = 265,608.18/x
  3. Step 3: Cross multiply
    483,399.90x = 667,077.39 × 265,608.18
  4. Step 4: Simplify right side
    483,399.90x = 177,181,211,477.05
  5. Step 5: Solve for x
    x = 177,181,211,477.05/483,399.90
  6. Step 6: Final answer
    x = 366,531.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.