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Finding the Fourth Proportional to 451,171.76, 622,608.80 and 267,533.87

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Solution

The fourth proportional to 451,171.76, 622,608.80 and 267,533.87 is: 369,191.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,171.76 : 622,608.80 = 267,533.87 : x
  2. Step 2: Convert to fraction form
    451,171.76/622,608.80 = 267,533.87/x
  3. Step 3: Cross multiply
    451,171.76x = 622,608.80 × 267,533.87
  4. Step 4: Simplify right side
    451,171.76x = 166,568,937,309.34
  5. Step 5: Solve for x
    x = 166,568,937,309.34/451,171.76
  6. Step 6: Final answer
    x = 369,191.86

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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.