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Finding the Fourth Proportional to 383,548.60, 575,463.16 and 178,481.04

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Solution

The fourth proportional to 383,548.60, 575,463.16 and 178,481.04 is: 267,786.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,548.60 : 575,463.16 = 178,481.04 : x
  2. Step 2: Convert to fraction form
    383,548.60/575,463.16 = 178,481.04/x
  3. Step 3: Cross multiply
    383,548.60x = 575,463.16 × 178,481.04
  4. Step 4: Simplify right side
    383,548.60x = 102,709,263,278.49
  5. Step 5: Solve for x
    x = 102,709,263,278.49/383,548.60
  6. Step 6: Final answer
    x = 267,786.83

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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.