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Finding the Fourth Proportional to 297,467.40, 444,905.10 and 266,104.20

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Solution

The fourth proportional to 297,467.40, 444,905.10 and 266,104.20 is: 397,996.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,467.40 : 444,905.10 = 266,104.20 : x
  2. Step 2: Convert to fraction form
    297,467.40/444,905.10 = 266,104.20/x
  3. Step 3: Cross multiply
    297,467.40x = 444,905.10 × 266,104.20
  4. Step 4: Simplify right side
    297,467.40x = 118,391,115,711.42
  5. Step 5: Solve for x
    x = 118,391,115,711.42/297,467.40
  6. Step 6: Final answer
    x = 397,996.94

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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.