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Finding the Fourth Proportional to 324,668.48, 448,035.89 and 179,480.38

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Solution

The fourth proportional to 324,668.48, 448,035.89 and 179,480.38 is: 247,679.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,668.48 : 448,035.89 = 179,480.38 : x
  2. Step 2: Convert to fraction form
    324,668.48/448,035.89 = 179,480.38/x
  3. Step 3: Cross multiply
    324,668.48x = 448,035.89 × 179,480.38
  4. Step 4: Simplify right side
    324,668.48x = 80,413,649,773.35
  5. Step 5: Solve for x
    x = 80,413,649,773.35/324,668.48
  6. Step 6: Final answer
    x = 247,679.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.