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Finding the Fourth Proportional to 482,085, 665,207.46 and 267,225

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Solution

The fourth proportional to 482,085, 665,207.46 and 267,225 is: 368,731.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,085 : 665,207.46 = 267,225 : x
  2. Step 2: Convert to fraction form
    482,085/665,207.46 = 267,225/x
  3. Step 3: Cross multiply
    482,085x = 665,207.46 × 267,225
  4. Step 4: Simplify right side
    482,085x = 177,760,063,498.50
  5. Step 5: Solve for x
    x = 177,760,063,498.50/482,085
  6. Step 6: Final answer
    x = 368,731.79

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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.