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Finding the Fourth Proportional to 481,883.60, 664,999.37 and 267,023.66

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Solution

The fourth proportional to 481,883.60, 664,999.37 and 267,023.66 is: 368,492.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,883.60 : 664,999.37 = 267,023.66 : x
  2. Step 2: Convert to fraction form
    481,883.60/664,999.37 = 267,023.66/x
  3. Step 3: Cross multiply
    481,883.60x = 664,999.37 × 267,023.66
  4. Step 4: Simplify right side
    481,883.60x = 177,570,562,016.32
  5. Step 5: Solve for x
    x = 177,570,562,016.32/481,883.60
  6. Step 6: Final answer
    x = 368,492.65

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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.