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Finding the Fourth Proportional to 350,921.67, 483,703.16 and 274,305.39

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Solution

The fourth proportional to 350,921.67, 483,703.16 and 274,305.39 is: 378,096.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,921.67 : 483,703.16 = 274,305.39 : x
  2. Step 2: Convert to fraction form
    350,921.67/483,703.16 = 274,305.39/x
  3. Step 3: Cross multiply
    350,921.67x = 483,703.16 × 274,305.39
  4. Step 4: Simplify right side
    350,921.67x = 132,682,382,576.51
  5. Step 5: Solve for x
    x = 132,682,382,576.51/350,921.67
  6. Step 6: Final answer
    x = 378,096.86

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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.