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Finding the Fourth Proportional to 312,342.96, 468,316.24 and 264,974.37

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Solution

The fourth proportional to 312,342.96, 468,316.24 and 264,974.37 is: 397,293.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,342.96 : 468,316.24 = 264,974.37 : x
  2. Step 2: Convert to fraction form
    312,342.96/468,316.24 = 264,974.37/x
  3. Step 3: Cross multiply
    312,342.96x = 468,316.24 × 264,974.37
  4. Step 4: Simplify right side
    312,342.96x = 124,091,800,654.77
  5. Step 5: Solve for x
    x = 124,091,800,654.77/312,342.96
  6. Step 6: Final answer
    x = 397,293.41

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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.