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Finding the Fourth Proportional to 362,543.80, 543,297.30 and 267,028.60

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Solution

The fourth proportional to 362,543.80, 543,297.30 and 267,028.60 is: 400,161.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,543.80 : 543,297.30 = 267,028.60 : x
  2. Step 2: Convert to fraction form
    362,543.80/543,297.30 = 267,028.60/x
  3. Step 3: Cross multiply
    362,543.80x = 543,297.30 × 267,028.60
  4. Step 4: Simplify right side
    362,543.80x = 145,075,917,402.78
  5. Step 5: Solve for x
    x = 145,075,917,402.78/362,543.80
  6. Step 6: Final answer
    x = 400,161.08

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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.