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Finding the Fourth Proportional to 395,166.20, 590,999.70 and 332,180.60

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Solution

The fourth proportional to 395,166.20, 590,999.70 and 332,180.60 is: 496,800.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,166.20 : 590,999.70 = 332,180.60 : x
  2. Step 2: Convert to fraction form
    395,166.20/590,999.70 = 332,180.60/x
  3. Step 3: Cross multiply
    395,166.20x = 590,999.70 × 332,180.60
  4. Step 4: Simplify right side
    395,166.20x = 196,318,634,945.82
  5. Step 5: Solve for x
    x = 196,318,634,945.82/395,166.20
  6. Step 6: Final answer
    x = 496,800.17

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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.