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Finding the Fourth Proportional to 414,732.69, 621,102.60 and 236,699.96

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Solution

The fourth proportional to 414,732.69, 621,102.60 and 236,699.96 is: 354,481.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,732.69 : 621,102.60 = 236,699.96 : x
  2. Step 2: Convert to fraction form
    414,732.69/621,102.60 = 236,699.96/x
  3. Step 3: Cross multiply
    414,732.69x = 621,102.60 × 236,699.96
  4. Step 4: Simplify right side
    414,732.69x = 147,014,957,470.38
  5. Step 5: Solve for x
    x = 147,014,957,470.38/414,732.69
  6. Step 6: Final answer
    x = 354,481.24

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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.