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Finding the Fourth Proportional to 479,704.56, 661,993.30 and 264,845.04

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Solution

The fourth proportional to 479,704.56, 661,993.30 and 264,845.04 is: 365,486.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,704.56 : 661,993.30 = 264,845.04 : x
  2. Step 2: Convert to fraction form
    479,704.56/661,993.30 = 264,845.04/x
  3. Step 3: Cross multiply
    479,704.56x = 661,993.30 × 264,845.04
  4. Step 4: Simplify right side
    479,704.56x = 175,325,642,018.23
  5. Step 5: Solve for x
    x = 175,325,642,018.23/479,704.56
  6. Step 6: Final answer
    x = 365,486.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.