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Finding the Fourth Proportional to 362,563.90, 500,418.21 and 201,474.34

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Solution

The fourth proportional to 362,563.90, 500,418.21 and 201,474.34 is: 278,079.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,563.90 : 500,418.21 = 201,474.34 : x
  2. Step 2: Convert to fraction form
    362,563.90/500,418.21 = 201,474.34/x
  3. Step 3: Cross multiply
    362,563.90x = 500,418.21 × 201,474.34
  4. Step 4: Simplify right side
    362,563.90x = 100,821,428,583.73
  5. Step 5: Solve for x
    x = 100,821,428,583.73/362,563.90
  6. Step 6: Final answer
    x = 278,079.06

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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.