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Finding the Fourth Proportional to 283,352.55, 425,028.33 and 194,336.21

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Solution

The fourth proportional to 283,352.55, 425,028.33 and 194,336.21 is: 291,503.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,352.55 : 425,028.33 = 194,336.21 : x
  2. Step 2: Convert to fraction form
    283,352.55/425,028.33 = 194,336.21/x
  3. Step 3: Cross multiply
    283,352.55x = 425,028.33 × 194,336.21
  4. Step 4: Simplify right side
    283,352.55x = 82,598,392,669.69
  5. Step 5: Solve for x
    x = 82,598,392,669.69/283,352.55
  6. Step 6: Final answer
    x = 291,503.97

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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.