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Finding the Fourth Proportional to 608,858.72, 840,212.43 and 336,926.43

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Solution

The fourth proportional to 608,858.72, 840,212.43 and 336,926.43 is: 464,951.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,858.72 : 840,212.43 = 336,926.43 : x
  2. Step 2: Convert to fraction form
    608,858.72/840,212.43 = 336,926.43/x
  3. Step 3: Cross multiply
    608,858.72x = 840,212.43 × 336,926.43
  4. Step 4: Simplify right side
    608,858.72x = 283,089,774,481.53
  5. Step 5: Solve for x
    x = 283,089,774,481.53/608,858.72
  6. Step 6: Final answer
    x = 464,951.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.