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Finding the Fourth Proportional to 448,781.88, 672,790.18 and 195,873.27

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Solution

The fourth proportional to 448,781.88, 672,790.18 and 195,873.27 is: 293,642.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,781.88 : 672,790.18 = 195,873.27 : x
  2. Step 2: Convert to fraction form
    448,781.88/672,790.18 = 195,873.27/x
  3. Step 3: Cross multiply
    448,781.88x = 672,790.18 × 195,873.27
  4. Step 4: Simplify right side
    448,781.88x = 131,781,615,427.63
  5. Step 5: Solve for x
    x = 131,781,615,427.63/448,781.88
  6. Step 6: Final answer
    x = 293,642.90

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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.