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Finding the Fourth Proportional to 336,416.44, 504,722.06 and 99,764.84

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Solution

The fourth proportional to 336,416.44, 504,722.06 and 99,764.84 is: 149,676.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,416.44 : 504,722.06 = 99,764.84 : x
  2. Step 2: Convert to fraction form
    336,416.44/504,722.06 = 99,764.84/x
  3. Step 3: Cross multiply
    336,416.44x = 504,722.06 × 99,764.84
  4. Step 4: Simplify right side
    336,416.44x = 50,353,515,560.37
  5. Step 5: Solve for x
    x = 50,353,515,560.37/336,416.44
  6. Step 6: Final answer
    x = 149,676.14

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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.