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Finding the Fourth Proportional to 558,396.79, 835,481.51 and 330,814.59

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Solution

The fourth proportional to 558,396.79, 835,481.51 and 330,814.59 is: 494,969.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,396.79 : 835,481.51 = 330,814.59 : x
  2. Step 2: Convert to fraction form
    558,396.79/835,481.51 = 330,814.59/x
  3. Step 3: Cross multiply
    558,396.79x = 835,481.51 × 330,814.59
  4. Step 4: Simplify right side
    558,396.79x = 276,389,469,832.86
  5. Step 5: Solve for x
    x = 276,389,469,832.86/558,396.79
  6. Step 6: Final answer
    x = 494,969.67

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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.