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Finding the Fourth Proportional to 448,518.58, 672,399.72 and 195,613.48

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Solution

The fourth proportional to 448,518.58, 672,399.72 and 195,613.48 is: 293,255.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,518.58 : 672,399.72 = 195,613.48 : x
  2. Step 2: Convert to fraction form
    448,518.58/672,399.72 = 195,613.48/x
  3. Step 3: Cross multiply
    448,518.58x = 672,399.72 × 195,613.48
  4. Step 4: Simplify right side
    448,518.58x = 131,530,449,180.23
  5. Step 5: Solve for x
    x = 131,530,449,180.23/448,518.58
  6. Step 6: Final answer
    x = 293,255.30

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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.