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Finding the Fourth Proportional to 324,443.75, 486,499.47 and 172,727.01

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Solution

The fourth proportional to 324,443.75, 486,499.47 and 172,727.01 is: 259,002.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,443.75 : 486,499.47 = 172,727.01 : x
  2. Step 2: Convert to fraction form
    324,443.75/486,499.47 = 172,727.01/x
  3. Step 3: Cross multiply
    324,443.75x = 486,499.47 × 172,727.01
  4. Step 4: Simplify right side
    324,443.75x = 84,031,598,819.68
  5. Step 5: Solve for x
    x = 84,031,598,819.68/324,443.75
  6. Step 6: Final answer
    x = 259,002.06

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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.