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Finding the Fourth Proportional to 366,965.33, 550,447.99 and 353,679.30

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Solution

The fourth proportional to 366,965.33, 550,447.99 and 353,679.30 is: 530,518.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,965.33 : 550,447.99 = 353,679.30 : x
  2. Step 2: Convert to fraction form
    366,965.33/550,447.99 = 353,679.30/x
  3. Step 3: Cross multiply
    366,965.33x = 550,447.99 × 353,679.30
  4. Step 4: Simplify right side
    366,965.33x = 194,682,059,789.61
  5. Step 5: Solve for x
    x = 194,682,059,789.61/366,965.33
  6. Step 6: Final answer
    x = 530,518.95

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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.