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Finding the Fourth Proportional to 546,791.70, 754,571.48 and 305,059.88

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Solution

The fourth proportional to 546,791.70, 754,571.48 and 305,059.88 is: 420,982.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,791.70 : 754,571.48 = 305,059.88 : x
  2. Step 2: Convert to fraction form
    546,791.70/754,571.48 = 305,059.88/x
  3. Step 3: Cross multiply
    546,791.70x = 754,571.48 × 305,059.88
  4. Step 4: Simplify right side
    546,791.70x = 230,189,485,140.22
  5. Step 5: Solve for x
    x = 230,189,485,140.22/546,791.70
  6. Step 6: Final answer
    x = 420,982.04

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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.