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Finding the Fourth Proportional to 362,546.80, 543,301.80 and 267,031.60

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Solution

The fourth proportional to 362,546.80, 543,301.80 and 267,031.60 is: 400,165.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,546.80 : 543,301.80 = 267,031.60 : x
  2. Step 2: Convert to fraction form
    362,546.80/543,301.80 = 267,031.60/x
  3. Step 3: Cross multiply
    362,546.80x = 543,301.80 × 267,031.60
  4. Step 4: Simplify right side
    362,546.80x = 145,078,748,936.88
  5. Step 5: Solve for x
    x = 145,078,748,936.88/362,546.80
  6. Step 6: Final answer
    x = 400,165.58

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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.