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Finding the Fourth Proportional to 324,740.92, 448,128.38 and 177,563.09

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Solution

The fourth proportional to 324,740.92, 448,128.38 and 177,563.09 is: 245,029.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,740.92 : 448,128.38 = 177,563.09 : x
  2. Step 2: Convert to fraction form
    324,740.92/448,128.38 = 177,563.09/x
  3. Step 3: Cross multiply
    324,740.92x = 448,128.38 × 177,563.09
  4. Step 4: Simplify right side
    324,740.92x = 79,571,059,869.49
  5. Step 5: Solve for x
    x = 79,571,059,869.49/324,740.92
  6. Step 6: Final answer
    x = 245,029.36

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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.