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Finding the Fourth Proportional to 362,401.81, 500,121.27 and 201,271.95

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Solution

The fourth proportional to 362,401.81, 500,121.27 and 201,271.95 is: 277,759.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,401.81 : 500,121.27 = 201,271.95 : x
  2. Step 2: Convert to fraction form
    362,401.81/500,121.27 = 201,271.95/x
  3. Step 3: Cross multiply
    362,401.81x = 500,121.27 × 201,271.95
  4. Step 4: Simplify right side
    362,401.81x = 100,660,383,249.38
  5. Step 5: Solve for x
    x = 100,660,383,249.38/362,401.81
  6. Step 6: Final answer
    x = 277,759.05

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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.