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Finding the Fourth Proportional to 591,481.48, 886,958.70 and 170,657.32

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Solution

The fourth proportional to 591,481.48, 886,958.70 and 170,657.32 is: 255,909.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,481.48 : 886,958.70 = 170,657.32 : x
  2. Step 2: Convert to fraction form
    591,481.48/886,958.70 = 170,657.32/x
  3. Step 3: Cross multiply
    591,481.48x = 886,958.70 × 170,657.32
  4. Step 4: Simplify right side
    591,481.48x = 151,365,994,692.68
  5. Step 5: Solve for x
    x = 151,365,994,692.68/591,481.48
  6. Step 6: Final answer
    x = 255,909.95

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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.