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Finding the Fourth Proportional to 448,401.96, 672,427.96 and 195,759.72

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Solution

The fourth proportional to 448,401.96, 672,427.96 and 195,759.72 is: 293,563.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,401.96 : 672,427.96 = 195,759.72 : x
  2. Step 2: Convert to fraction form
    448,401.96/672,427.96 = 195,759.72/x
  3. Step 3: Cross multiply
    448,401.96x = 672,427.96 × 195,759.72
  4. Step 4: Simplify right side
    448,401.96x = 131,634,309,169.77
  5. Step 5: Solve for x
    x = 131,634,309,169.77/448,401.96
  6. Step 6: Final answer
    x = 293,563.19

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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.