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Finding the Fourth Proportional to 264,666, 396,999 and 67,674

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Solution

The fourth proportional to 264,666, 396,999 and 67,674 is: 101,511

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,666 : 396,999 = 67,674 : x
  2. Step 2: Convert to fraction form
    264,666/396,999 = 67,674/x
  3. Step 3: Cross multiply
    264,666x = 396,999 × 67,674
  4. Step 4: Simplify right side
    264,666x = 26,866,510,326
  5. Step 5: Solve for x
    x = 26,866,510,326/264,666
  6. Step 6: Final answer
    x = 101,511

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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.