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Finding the Fourth Proportional to 324,698.96, 486,819.48 and 124,851.44

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Solution

The fourth proportional to 324,698.96, 486,819.48 and 124,851.44 is: 187,189.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,698.96 : 486,819.48 = 124,851.44 : x
  2. Step 2: Convert to fraction form
    324,698.96/486,819.48 = 124,851.44/x
  3. Step 3: Cross multiply
    324,698.96x = 486,819.48 × 124,851.44
  4. Step 4: Simplify right side
    324,698.96x = 60,780,113,098.05
  5. Step 5: Solve for x
    x = 60,780,113,098.05/324,698.96
  6. Step 6: Final answer
    x = 187,189.12

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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.