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Finding the Fourth Proportional to 482,090.06, 665,214.36 and 267,230

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Solution

The fourth proportional to 482,090.06, 665,214.36 and 267,230 is: 368,738.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,090.06 : 665,214.36 = 267,230 : x
  2. Step 2: Convert to fraction form
    482,090.06/665,214.36 = 267,230/x
  3. Step 3: Cross multiply
    482,090.06x = 665,214.36 × 267,230
  4. Step 4: Simplify right side
    482,090.06x = 177,765,233,422.80
  5. Step 5: Solve for x
    x = 177,765,233,422.80/482,090.06
  6. Step 6: Final answer
    x = 368,738.64

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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.