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Finding the Fourth Proportional to 483,745.31, 667,568.95 and 265,957.68

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Solution

The fourth proportional to 483,745.31, 667,568.95 and 265,957.68 is: 367,021.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,745.31 : 667,568.95 = 265,957.68 : x
  2. Step 2: Convert to fraction form
    483,745.31/667,568.95 = 265,957.68/x
  3. Step 3: Cross multiply
    483,745.31x = 667,568.95 × 265,957.68
  4. Step 4: Simplify right side
    483,745.31x = 177,545,089,182.04
  5. Step 5: Solve for x
    x = 177,545,089,182.04/483,745.31
  6. Step 6: Final answer
    x = 367,021.83

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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.