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Finding the Fourth Proportional to 481,851.60, 664,954.56 and 267,005.58

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Solution

The fourth proportional to 481,851.60, 664,954.56 and 267,005.58 is: 368,467.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,851.60 : 664,954.56 = 267,005.58 : x
  2. Step 2: Convert to fraction form
    481,851.60/664,954.56 = 267,005.58/x
  3. Step 3: Cross multiply
    481,851.60x = 664,954.56 × 267,005.58
  4. Step 4: Simplify right side
    481,851.60x = 177,546,577,966.45
  5. Step 5: Solve for x
    x = 177,546,577,966.45/481,851.60
  6. Step 6: Final answer
    x = 368,467.34

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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.