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Finding the Fourth Proportional to 439,668.10, 659,481.63 and 183,394.90

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Solution

The fourth proportional to 439,668.10, 659,481.63 and 183,394.90 is: 275,083.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,668.10 : 659,481.63 = 183,394.90 : x
  2. Step 2: Convert to fraction form
    439,668.10/659,481.63 = 183,394.90/x
  3. Step 3: Cross multiply
    439,668.10x = 659,481.63 × 183,394.90
  4. Step 4: Simplify right side
    439,668.10x = 120,945,567,585.69
  5. Step 5: Solve for x
    x = 120,945,567,585.69/439,668.10
  6. Step 6: Final answer
    x = 275,083.79

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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.