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Finding the Fourth Proportional to 362,405.20, 543,607.80 and 267,926.80

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Solution

The fourth proportional to 362,405.20, 543,607.80 and 267,926.80 is: 401,890.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,405.20 : 543,607.80 = 267,926.80 : x
  2. Step 2: Convert to fraction form
    362,405.20/543,607.80 = 267,926.80/x
  3. Step 3: Cross multiply
    362,405.20x = 543,607.80 × 267,926.80
  4. Step 4: Simplify right side
    362,405.20x = 145,647,098,309.04
  5. Step 5: Solve for x
    x = 145,647,098,309.04/362,405.20
  6. Step 6: Final answer
    x = 401,890.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.