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Finding the Fourth Proportional to 297,809.80, 447,060.30 and 179,614.60

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Solution

The fourth proportional to 297,809.80, 447,060.30 and 179,614.60 is: 269,630.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,809.80 : 447,060.30 = 179,614.60 : x
  2. Step 2: Convert to fraction form
    297,809.80/447,060.30 = 179,614.60/x
  3. Step 3: Cross multiply
    297,809.80x = 447,060.30 × 179,614.60
  4. Step 4: Simplify right side
    297,809.80x = 80,298,556,960.38
  5. Step 5: Solve for x
    x = 80,298,556,960.38/297,809.80
  6. Step 6: Final answer
    x = 269,630.34

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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.