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Finding the Fourth Proportional to 448,345.44, 672,051.05 and 195,558.05

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Solution

The fourth proportional to 448,345.44, 672,051.05 and 195,558.05 is: 293,133.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,345.44 : 672,051.05 = 195,558.05 : x
  2. Step 2: Convert to fraction form
    448,345.44/672,051.05 = 195,558.05/x
  3. Step 3: Cross multiply
    448,345.44x = 672,051.05 × 195,558.05
  4. Step 4: Simplify right side
    448,345.44x = 131,424,993,540.79
  5. Step 5: Solve for x
    x = 131,424,993,540.79/448,345.44
  6. Step 6: Final answer
    x = 293,133.33

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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.