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Finding the Fourth Proportional to 319,540.44, 479,245.05 and 150,989.16

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Solution

The fourth proportional to 319,540.44, 479,245.05 and 150,989.16 is: 226,452.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,540.44 : 479,245.05 = 150,989.16 : x
  2. Step 2: Convert to fraction form
    319,540.44/479,245.05 = 150,989.16/x
  3. Step 3: Cross multiply
    319,540.44x = 479,245.05 × 150,989.16
  4. Step 4: Simplify right side
    319,540.44x = 72,360,807,533.66
  5. Step 5: Solve for x
    x = 72,360,807,533.66/319,540.44
  6. Step 6: Final answer
    x = 226,452.74

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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.