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Finding the Fourth Proportional to 307,819.44, 461,618.46 and 130,339.26

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Solution

The fourth proportional to 307,819.44, 461,618.46 and 130,339.26 is: 195,462.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,819.44 : 461,618.46 = 130,339.26 : x
  2. Step 2: Convert to fraction form
    307,819.44/461,618.46 = 130,339.26/x
  3. Step 3: Cross multiply
    307,819.44x = 461,618.46 × 130,339.26
  4. Step 4: Simplify right side
    307,819.44x = 60,167,008,478.74
  5. Step 5: Solve for x
    x = 60,167,008,478.74/307,819.44
  6. Step 6: Final answer
    x = 195,462.02

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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.