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Finding the Fourth Proportional to 383,450.44, 575,179.30 and 102,967.69

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Solution

The fourth proportional to 383,450.44, 575,179.30 and 102,967.69 is: 154,452.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,450.44 : 575,179.30 = 102,967.69 : x
  2. Step 2: Convert to fraction form
    383,450.44/575,179.30 = 102,967.69/x
  3. Step 3: Cross multiply
    383,450.44x = 575,179.30 × 102,967.69
  4. Step 4: Simplify right side
    383,450.44x = 59,224,880,980.92
  5. Step 5: Solve for x
    x = 59,224,880,980.92/383,450.44
  6. Step 6: Final answer
    x = 154,452.51

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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.