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Finding the Fourth Proportional to 297,767.72, 446,400.41 and 129,161.04

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Solution

The fourth proportional to 297,767.72, 446,400.41 and 129,161.04 is: 193,632.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,767.72 : 446,400.41 = 129,161.04 : x
  2. Step 2: Convert to fraction form
    297,767.72/446,400.41 = 129,161.04/x
  3. Step 3: Cross multiply
    297,767.72x = 446,400.41 × 129,161.04
  4. Step 4: Simplify right side
    297,767.72x = 57,657,540,566.22
  5. Step 5: Solve for x
    x = 57,657,540,566.22/297,767.72
  6. Step 6: Final answer
    x = 193,632.61

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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.