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Finding the Fourth Proportional to 451,427.94, 622,954.01 and 247,474.38

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Solution

The fourth proportional to 451,427.94, 622,954.01 and 247,474.38 is: 341,505.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,427.94 : 622,954.01 = 247,474.38 : x
  2. Step 2: Convert to fraction form
    451,427.94/622,954.01 = 247,474.38/x
  3. Step 3: Cross multiply
    451,427.94x = 622,954.01 × 247,474.38
  4. Step 4: Simplify right side
    451,427.94x = 154,165,159,634.01
  5. Step 5: Solve for x
    x = 154,165,159,634.01/451,427.94
  6. Step 6: Final answer
    x = 341,505.58

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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.