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Finding the Fourth Proportional to 362,651.15, 500,449.49 and 201,506.61

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Solution

The fourth proportional to 362,651.15, 500,449.49 and 201,506.61 is: 278,074.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,651.15 : 500,449.49 = 201,506.61 : x
  2. Step 2: Convert to fraction form
    362,651.15/500,449.49 = 201,506.61/x
  3. Step 3: Cross multiply
    362,651.15x = 500,449.49 × 201,506.61
  4. Step 4: Simplify right side
    362,651.15x = 100,843,879,198.60
  5. Step 5: Solve for x
    x = 100,843,879,198.60/362,651.15
  6. Step 6: Final answer
    x = 278,074.07

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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.