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Finding the Fourth Proportional to 297,920.20, 446,621.10 and 179,465.80

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Solution

The fourth proportional to 297,920.20, 446,621.10 and 179,465.80 is: 269,042.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,920.20 : 446,621.10 = 179,465.80 : x
  2. Step 2: Convert to fraction form
    297,920.20/446,621.10 = 179,465.80/x
  3. Step 3: Cross multiply
    297,920.20x = 446,621.10 × 179,465.80
  4. Step 4: Simplify right side
    297,920.20x = 80,153,213,008.38
  5. Step 5: Solve for x
    x = 80,153,213,008.38/297,920.20
  6. Step 6: Final answer
    x = 269,042.56

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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.