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Finding the Fourth Proportional to 362,651.40, 500,449.84 and 201,506.86

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Solution

The fourth proportional to 362,651.40, 500,449.84 and 201,506.86 is: 278,074.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,651.40 : 500,449.84 = 201,506.86 : x
  2. Step 2: Convert to fraction form
    362,651.40/500,449.84 = 201,506.86/x
  3. Step 3: Cross multiply
    362,651.40x = 500,449.84 × 201,506.86
  4. Step 4: Simplify right side
    362,651.40x = 100,844,075,845.90
  5. Step 5: Solve for x
    x = 100,844,075,845.90/362,651.40
  6. Step 6: Final answer
    x = 278,074.41

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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.