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Finding the Fourth Proportional to 297,959.40, 446,960.70 and 179,375.40

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Solution

The fourth proportional to 297,959.40, 446,960.70 and 179,375.40 is: 269,076.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,959.40 : 446,960.70 = 179,375.40 : x
  2. Step 2: Convert to fraction form
    297,959.40/446,960.70 = 179,375.40/x
  3. Step 3: Cross multiply
    297,959.40x = 446,960.70 × 179,375.40
  4. Step 4: Simplify right side
    297,959.40x = 80,173,754,346.78
  5. Step 5: Solve for x
    x = 80,173,754,346.78/297,959.40
  6. Step 6: Final answer
    x = 269,076.10

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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.