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Finding the Fourth Proportional to 448,782.88, 672,791.68 and 195,874.27

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Solution

The fourth proportional to 448,782.88, 672,791.68 and 195,874.27 is: 293,644.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,782.88 : 672,791.68 = 195,874.27 : x
  2. Step 2: Convert to fraction form
    448,782.88/672,791.68 = 195,874.27/x
  3. Step 3: Cross multiply
    448,782.88x = 672,791.68 × 195,874.27
  4. Step 4: Simplify right side
    448,782.88x = 131,782,579,182.07
  5. Step 5: Solve for x
    x = 131,782,579,182.07/448,782.88
  6. Step 6: Final answer
    x = 293,644.40

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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.