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Finding the Fourth Proportional to 854,447.54, 1,179,134.42 and 481,880.88

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Solution

The fourth proportional to 854,447.54, 1,179,134.42 and 481,880.88 is: 664,993.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,447.54 : 1,179,134.42 = 481,880.88 : x
  2. Step 2: Convert to fraction form
    854,447.54/1,179,134.42 = 481,880.88/x
  3. Step 3: Cross multiply
    854,447.54x = 1,179,134.42 × 481,880.88
  4. Step 4: Simplify right side
    854,447.54x = 568,202,329,538.49
  5. Step 5: Solve for x
    x = 568,202,329,538.49/854,447.54
  6. Step 6: Final answer
    x = 664,993.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.