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Finding the Fourth Proportional to 483,147.54, 666,745.70 and 268,286.94

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Solution

The fourth proportional to 483,147.54, 666,745.70 and 268,286.94 is: 370,237.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,147.54 : 666,745.70 = 268,286.94 : x
  2. Step 2: Convert to fraction form
    483,147.54/666,745.70 = 268,286.94/x
  3. Step 3: Cross multiply
    483,147.54x = 666,745.70 × 268,286.94
  4. Step 4: Simplify right side
    483,147.54x = 178,879,162,269.72
  5. Step 5: Solve for x
    x = 178,879,162,269.72/483,147.54
  6. Step 6: Final answer
    x = 370,237.14

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1.5x scale

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.