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Finding the Fourth Proportional to 395,997.48, 593,550 and 196,460.88

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Solution

The fourth proportional to 395,997.48, 593,550 and 196,460.88 is: 294,469.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,997.48 : 593,550 = 196,460.88 : x
  2. Step 2: Convert to fraction form
    395,997.48/593,550 = 196,460.88/x
  3. Step 3: Cross multiply
    395,997.48x = 593,550 × 196,460.88
  4. Step 4: Simplify right side
    395,997.48x = 116,609,355,324
  5. Step 5: Solve for x
    x = 116,609,355,324/395,997.48
  6. Step 6: Final answer
    x = 294,469.94

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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.