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Finding the Fourth Proportional to 397,290.26, 595,953.74 and 131,074.04

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Solution

The fourth proportional to 397,290.26, 595,953.74 and 131,074.04 is: 196,617.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,290.26 : 595,953.74 = 131,074.04 : x
  2. Step 2: Convert to fraction form
    397,290.26/595,953.74 = 131,074.04/x
  3. Step 3: Cross multiply
    397,290.26x = 595,953.74 × 131,074.04
  4. Step 4: Simplify right side
    397,290.26x = 78,114,064,354.91
  5. Step 5: Solve for x
    x = 78,114,064,354.91/397,290.26
  6. Step 6: Final answer
    x = 196,617.11

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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.