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Finding the Fourth Proportional to 336,519.84, 504,641.52 and 126,049.44

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Solution

The fourth proportional to 336,519.84, 504,641.52 and 126,049.44 is: 189,022.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,519.84 : 504,641.52 = 126,049.44 : x
  2. Step 2: Convert to fraction form
    336,519.84/504,641.52 = 126,049.44/x
  3. Step 3: Cross multiply
    336,519.84x = 504,641.52 × 126,049.44
  4. Step 4: Simplify right side
    336,519.84x = 63,609,780,996.75
  5. Step 5: Solve for x
    x = 63,609,780,996.75/336,519.84
  6. Step 6: Final answer
    x = 189,022.38

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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.