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Finding the Fourth Proportional to 366,961.33, 550,441.99 and 353,675.30

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Solution

The fourth proportional to 366,961.33, 550,441.99 and 353,675.30 is: 530,512.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,961.33 : 550,441.99 = 353,675.30 : x
  2. Step 2: Convert to fraction form
    366,961.33/550,441.99 = 353,675.30/x
  3. Step 3: Cross multiply
    366,961.33x = 550,441.99 × 353,675.30
  4. Step 4: Simplify right side
    366,961.33x = 194,677,735,945.85
  5. Step 5: Solve for x
    x = 194,677,735,945.85/366,961.33
  6. Step 6: Final answer
    x = 530,512.95

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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.