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Finding the Fourth Proportional to 525,959.75, 789,136.43 and 273,082.41

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Solution

The fourth proportional to 525,959.75, 789,136.43 and 273,082.41 is: 409,725.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,959.75 : 789,136.43 = 273,082.41 : x
  2. Step 2: Convert to fraction form
    525,959.75/789,136.43 = 273,082.41/x
  3. Step 3: Cross multiply
    525,959.75x = 789,136.43 × 273,082.41
  4. Step 4: Simplify right side
    525,959.75x = 215,499,276,757.78
  5. Step 5: Solve for x
    x = 215,499,276,757.78/525,959.75
  6. Step 6: Final answer
    x = 409,725.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.