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Finding the Fourth Proportional to 383,908.80, 576,300.60 and 226,226.10

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Solution

The fourth proportional to 383,908.80, 576,300.60 and 226,226.10 is: 339,596.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,908.80 : 576,300.60 = 226,226.10 : x
  2. Step 2: Convert to fraction form
    383,908.80/576,300.60 = 226,226.10/x
  3. Step 3: Cross multiply
    383,908.80x = 576,300.60 × 226,226.10
  4. Step 4: Simplify right side
    383,908.80x = 130,374,237,165.66
  5. Step 5: Solve for x
    x = 130,374,237,165.66/383,908.80
  6. Step 6: Final answer
    x = 339,596.90

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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.