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Finding the Fourth Proportional to 296,469.80, 444,704.70 and 178,080.20

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Solution

The fourth proportional to 296,469.80, 444,704.70 and 178,080.20 is: 267,120.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,469.80 : 444,704.70 = 178,080.20 : x
  2. Step 2: Convert to fraction form
    296,469.80/444,704.70 = 178,080.20/x
  3. Step 3: Cross multiply
    296,469.80x = 444,704.70 × 178,080.20
  4. Step 4: Simplify right side
    296,469.80x = 79,193,101,916.94
  5. Step 5: Solve for x
    x = 79,193,101,916.94/296,469.80
  6. Step 6: Final answer
    x = 267,120.30

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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.