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Finding the Fourth Proportional to 395,786.07, 593,679.09 and 174,170.07

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Solution

The fourth proportional to 395,786.07, 593,679.09 and 174,170.07 is: 261,255.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,786.07 : 593,679.09 = 174,170.07 : x
  2. Step 2: Convert to fraction form
    395,786.07/593,679.09 = 174,170.07/x
  3. Step 3: Cross multiply
    395,786.07x = 593,679.09 × 174,170.07
  4. Step 4: Simplify right side
    395,786.07x = 103,401,128,662.84
  5. Step 5: Solve for x
    x = 103,401,128,662.84/395,786.07
  6. Step 6: Final answer
    x = 261,255.10

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Similar ratio
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1.5x scale

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.