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Finding the Fourth Proportional to 270,519.66, 373,284.84 and 149,644.56

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Solution

The fourth proportional to 270,519.66, 373,284.84 and 149,644.56 is: 206,491.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,519.66 : 373,284.84 = 149,644.56 : x
  2. Step 2: Convert to fraction form
    270,519.66/373,284.84 = 149,644.56/x
  3. Step 3: Cross multiply
    270,519.66x = 373,284.84 × 149,644.56
  4. Step 4: Simplify right side
    270,519.66x = 55,860,045,636.47
  5. Step 5: Solve for x
    x = 55,860,045,636.47/270,519.66
  6. Step 6: Final answer
    x = 206,491.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.