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Finding the Fourth Proportional to 451,096.80, 622,515.96 and 254,864.16

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Solution

The fourth proportional to 451,096.80, 622,515.96 and 254,864.16 is: 351,713.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,096.80 : 622,515.96 = 254,864.16 : x
  2. Step 2: Convert to fraction form
    451,096.80/622,515.96 = 254,864.16/x
  3. Step 3: Cross multiply
    451,096.80x = 622,515.96 × 254,864.16
  4. Step 4: Simplify right side
    451,096.80x = 158,657,007,231.99
  5. Step 5: Solve for x
    x = 158,657,007,231.99/451,096.80
  6. Step 6: Final answer
    x = 351,713.88

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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.