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Finding the Fourth Proportional to 451,361.76, 622,732.80 and 267,614.88

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Solution

The fourth proportional to 451,361.76, 622,732.80 and 267,614.88 is: 369,221.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,361.76 : 622,732.80 = 267,614.88 : x
  2. Step 2: Convert to fraction form
    451,361.76/622,732.80 = 267,614.88/x
  3. Step 3: Cross multiply
    451,361.76x = 622,732.80 × 267,614.88
  4. Step 4: Simplify right side
    451,361.76x = 166,652,563,544.06
  5. Step 5: Solve for x
    x = 166,652,563,544.06/451,361.76
  6. Step 6: Final answer
    x = 369,221.72

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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.