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Finding the Fourth Proportional to 336,518.39, 504,668.36 and 111,818.48

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Solution

The fourth proportional to 336,518.39, 504,668.36 and 111,818.48 is: 167,691.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,518.39 : 504,668.36 = 111,818.48 : x
  2. Step 2: Convert to fraction form
    336,518.39/504,668.36 = 111,818.48/x
  3. Step 3: Cross multiply
    336,518.39x = 504,668.36 × 111,818.48
  4. Step 4: Simplify right side
    336,518.39x = 56,431,245,836.86
  5. Step 5: Solve for x
    x = 56,431,245,836.86/336,518.39
  6. Step 6: Final answer
    x = 167,691.42

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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.