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Finding the Fourth Proportional to 324,634.60, 486,077.10 and 254,650.60

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Solution

The fourth proportional to 324,634.60, 486,077.10 and 254,650.60 is: 381,289.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,634.60 : 486,077.10 = 254,650.60 : x
  2. Step 2: Convert to fraction form
    324,634.60/486,077.10 = 254,650.60/x
  3. Step 3: Cross multiply
    324,634.60x = 486,077.10 × 254,650.60
  4. Step 4: Simplify right side
    324,634.60x = 123,779,825,161.26
  5. Step 5: Solve for x
    x = 123,779,825,161.26/324,634.60
  6. Step 6: Final answer
    x = 381,289.69

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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.