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Finding the Fourth Proportional to 482,090.22, 665,273.93 and 267,228.41

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Solution

The fourth proportional to 482,090.22, 665,273.93 and 267,228.41 is: 368,769.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,090.22 : 665,273.93 = 267,228.41 : x
  2. Step 2: Convert to fraction form
    482,090.22/665,273.93 = 267,228.41/x
  3. Step 3: Cross multiply
    482,090.22x = 665,273.93 × 267,228.41
  4. Step 4: Simplify right side
    482,090.22x = 177,780,089,865.84
  5. Step 5: Solve for x
    x = 177,780,089,865.84/482,090.22
  6. Step 6: Final answer
    x = 368,769.34

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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.