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Finding the Fourth Proportional to 482,855.64, 666,309.62 and 267,995.80

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Solution

The fourth proportional to 482,855.64, 666,309.62 and 267,995.80 is: 369,816.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,855.64 : 666,309.62 = 267,995.80 : x
  2. Step 2: Convert to fraction form
    482,855.64/666,309.62 = 267,995.80/x
  3. Step 3: Cross multiply
    482,855.64x = 666,309.62 × 267,995.80
  4. Step 4: Simplify right side
    482,855.64x = 178,568,179,659.60
  5. Step 5: Solve for x
    x = 178,568,179,659.60/482,855.64
  6. Step 6: Final answer
    x = 369,816.91

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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.