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Finding the Fourth Proportional to 383,596.09, 575,560.04 and 205,895.48

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Solution

The fourth proportional to 383,596.09, 575,560.04 and 205,895.48 is: 308,932.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,596.09 : 575,560.04 = 205,895.48 : x
  2. Step 2: Convert to fraction form
    383,596.09/575,560.04 = 205,895.48/x
  3. Step 3: Cross multiply
    383,596.09x = 575,560.04 × 205,895.48
  4. Step 4: Simplify right side
    383,596.09x = 118,505,210,704.62
  5. Step 5: Solve for x
    x = 118,505,210,704.62/383,596.09
  6. Step 6: Final answer
    x = 308,932.27

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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.