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Finding the Fourth Proportional to 366,469.35, 505,755.66 and 230,619.72

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Solution

The fourth proportional to 366,469.35, 505,755.66 and 230,619.72 is: 318,272.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,469.35 : 505,755.66 = 230,619.72 : x
  2. Step 2: Convert to fraction form
    366,469.35/505,755.66 = 230,619.72/x
  3. Step 3: Cross multiply
    366,469.35x = 505,755.66 × 230,619.72
  4. Step 4: Simplify right side
    366,469.35x = 116,637,228,697.62
  5. Step 5: Solve for x
    x = 116,637,228,697.62/366,469.35
  6. Step 6: Final answer
    x = 318,272.81

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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.