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Finding the Fourth Proportional to 436,992.72, 603,080.26 and 264,917.94

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Solution

The fourth proportional to 436,992.72, 603,080.26 and 264,917.94 is: 365,605.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,992.72 : 603,080.26 = 264,917.94 : x
  2. Step 2: Convert to fraction form
    436,992.72/603,080.26 = 264,917.94/x
  3. Step 3: Cross multiply
    436,992.72x = 603,080.26 × 264,917.94
  4. Step 4: Simplify right side
    436,992.72x = 159,766,780,133.86
  5. Step 5: Solve for x
    x = 159,766,780,133.86/436,992.72
  6. Step 6: Final answer
    x = 365,605.13

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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.