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Finding the Fourth Proportional to 383,467.80, 574,769.70 and 183,883.80

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Solution

The fourth proportional to 383,467.80, 574,769.70 and 183,883.80 is: 275,618.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,467.80 : 574,769.70 = 183,883.80 : x
  2. Step 2: Convert to fraction form
    383,467.80/574,769.70 = 183,883.80/x
  3. Step 3: Cross multiply
    383,467.80x = 574,769.70 × 183,883.80
  4. Step 4: Simplify right side
    383,467.80x = 105,690,836,560.86
  5. Step 5: Solve for x
    x = 105,690,836,560.86/383,467.80
  6. Step 6: Final answer
    x = 275,618.54

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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.