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Finding the Fourth Proportional to 667,105.44, 999,402.56 and 329,751.22

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Solution

The fourth proportional to 667,105.44, 999,402.56 and 329,751.22 is: 494,006.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,105.44 : 999,402.56 = 329,751.22 : x
  2. Step 2: Convert to fraction form
    667,105.44/999,402.56 = 329,751.22/x
  3. Step 3: Cross multiply
    667,105.44x = 999,402.56 × 329,751.22
  4. Step 4: Simplify right side
    667,105.44x = 329,554,213,431.12
  5. Step 5: Solve for x
    x = 329,554,213,431.12/667,105.44
  6. Step 6: Final answer
    x = 494,006.19

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1.5x scale

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.