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Finding the Fourth Proportional to 264,505.83, 365,129.75 and 178,581.21

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Solution

The fourth proportional to 264,505.83, 365,129.75 and 178,581.21 is: 246,517.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,505.83 : 365,129.75 = 178,581.21 : x
  2. Step 2: Convert to fraction form
    264,505.83/365,129.75 = 178,581.21/x
  3. Step 3: Cross multiply
    264,505.83x = 365,129.75 × 178,581.21
  4. Step 4: Simplify right side
    264,505.83x = 65,205,311,669.09
  5. Step 5: Solve for x
    x = 65,205,311,669.09/264,505.83
  6. Step 6: Final answer
    x = 246,517.48

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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.