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Finding the Fourth Proportional to 307,820.44, 461,619.96 and 130,340.26

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Solution

The fourth proportional to 307,820.44, 461,619.96 and 130,340.26 is: 195,463.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,820.44 : 461,619.96 = 130,340.26 : x
  2. Step 2: Convert to fraction form
    307,820.44/461,619.96 = 130,340.26/x
  3. Step 3: Cross multiply
    307,820.44x = 461,619.96 × 130,340.26
  4. Step 4: Simplify right side
    307,820.44x = 60,167,665,607.59
  5. Step 5: Solve for x
    x = 60,167,665,607.59/307,820.44
  6. Step 6: Final answer
    x = 195,463.52

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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.