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Finding the Fourth Proportional to 546,399.56, 754,003.99 and 301,427.31

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Solution

The fourth proportional to 546,399.56, 754,003.99 and 301,427.31 is: 415,954.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,399.56 : 754,003.99 = 301,427.31 : x
  2. Step 2: Convert to fraction form
    546,399.56/754,003.99 = 301,427.31/x
  3. Step 3: Cross multiply
    546,399.56x = 754,003.99 × 301,427.31
  4. Step 4: Simplify right side
    546,399.56x = 227,277,394,434.97
  5. Step 5: Solve for x
    x = 227,277,394,434.97/546,399.56
  6. Step 6: Final answer
    x = 415,954.57

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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.