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Finding the Fourth Proportional to 336,245.76, 504,364.32 and 111,709.44

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Solution

The fourth proportional to 336,245.76, 504,364.32 and 111,709.44 is: 167,562.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,245.76 : 504,364.32 = 111,709.44 : x
  2. Step 2: Convert to fraction form
    336,245.76/504,364.32 = 111,709.44/x
  3. Step 3: Cross multiply
    336,245.76x = 504,364.32 × 111,709.44
  4. Step 4: Simplify right side
    336,245.76x = 56,342,255,743.18
  5. Step 5: Solve for x
    x = 56,342,255,743.18/336,245.76
  6. Step 6: Final answer
    x = 167,562.72

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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.