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Finding the Fourth Proportional to 433,846.87, 650,664.12 and 181,129.45

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Solution

The fourth proportional to 433,846.87, 650,664.12 and 181,129.45 is: 271,649.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,846.87 : 650,664.12 = 181,129.45 : x
  2. Step 2: Convert to fraction form
    433,846.87/650,664.12 = 181,129.45/x
  3. Step 3: Cross multiply
    433,846.87x = 650,664.12 × 181,129.45
  4. Step 4: Simplify right side
    433,846.87x = 117,854,434,190.33
  5. Step 5: Solve for x
    x = 117,854,434,190.33/433,846.87
  6. Step 6: Final answer
    x = 271,649.84

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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.