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Finding the Fourth Proportional to 383,391.21, 575,193.50 and 167,268.85

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Solution

The fourth proportional to 383,391.21, 575,193.50 and 167,268.85 is: 250,949.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,391.21 : 575,193.50 = 167,268.85 : x
  2. Step 2: Convert to fraction form
    383,391.21/575,193.50 = 167,268.85/x
  3. Step 3: Cross multiply
    383,391.21x = 575,193.50 × 167,268.85
  4. Step 4: Simplify right side
    383,391.21x = 96,211,953,625.41
  5. Step 5: Solve for x
    x = 96,211,953,625.41/383,391.21
  6. Step 6: Final answer
    x = 250,949.81

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1.5x scale

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.