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Finding the Fourth Proportional to 448,577.36, 672,751.44 and 132,960.44

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Solution

The fourth proportional to 448,577.36, 672,751.44 and 132,960.44 is: 199,406.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,577.36 : 672,751.44 = 132,960.44 : x
  2. Step 2: Convert to fraction form
    448,577.36/672,751.44 = 132,960.44/x
  3. Step 3: Cross multiply
    448,577.36x = 672,751.44 × 132,960.44
  4. Step 4: Simplify right side
    448,577.36x = 89,449,327,473.03
  5. Step 5: Solve for x
    x = 89,449,327,473.03/448,577.36
  6. Step 6: Final answer
    x = 199,406.69

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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.