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Finding the Fourth Proportional to 383,857.75, 575,860.44 and 147,181.96

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Solution

The fourth proportional to 383,857.75, 575,860.44 and 147,181.96 is: 220,801.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,857.75 : 575,860.44 = 147,181.96 : x
  2. Step 2: Convert to fraction form
    383,857.75/575,860.44 = 147,181.96/x
  3. Step 3: Cross multiply
    383,857.75x = 575,860.44 × 147,181.96
  4. Step 4: Simplify right side
    383,857.75x = 84,756,268,245.66
  5. Step 5: Solve for x
    x = 84,756,268,245.66/383,857.75
  6. Step 6: Final answer
    x = 220,801.24

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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.