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Finding the Fourth Proportional to 336,683.79, 504,856.80 and 111,965.09

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Solution

The fourth proportional to 336,683.79, 504,856.80 and 111,965.09 is: 167,891.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,683.79 : 504,856.80 = 111,965.09 : x
  2. Step 2: Convert to fraction form
    336,683.79/504,856.80 = 111,965.09/x
  3. Step 3: Cross multiply
    336,683.79x = 504,856.80 × 111,965.09
  4. Step 4: Simplify right side
    336,683.79x = 56,526,334,524.83
  5. Step 5: Solve for x
    x = 56,526,334,524.83/336,683.79
  6. Step 6: Final answer
    x = 167,891.46

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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.