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Finding the Fourth Proportional to 339,879.74, 469,056.96 and 224,960.38

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Solution

The fourth proportional to 339,879.74, 469,056.96 and 224,960.38 is: 310,460.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,879.74 : 469,056.96 = 224,960.38 : x
  2. Step 2: Convert to fraction form
    339,879.74/469,056.96 = 224,960.38/x
  3. Step 3: Cross multiply
    339,879.74x = 469,056.96 × 224,960.38
  4. Step 4: Simplify right side
    339,879.74x = 105,519,230,790.60
  5. Step 5: Solve for x
    x = 105,519,230,790.60/339,879.74
  6. Step 6: Final answer
    x = 310,460.50

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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.