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Finding the Fourth Proportional to 301,939.20, 453,103.20 and 175,579.20

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Solution

The fourth proportional to 301,939.20, 453,103.20 and 175,579.20 is: 263,481.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,939.20 : 453,103.20 = 175,579.20 : x
  2. Step 2: Convert to fraction form
    301,939.20/453,103.20 = 175,579.20/x
  3. Step 3: Cross multiply
    301,939.20x = 453,103.20 × 175,579.20
  4. Step 4: Simplify right side
    301,939.20x = 79,555,497,373.44
  5. Step 5: Solve for x
    x = 79,555,497,373.44/301,939.20
  6. Step 6: Final answer
    x = 263,481.84

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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.