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Finding the Fourth Proportional to 539,685.45, 809,524.26 and 179,883.72

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Solution

The fourth proportional to 539,685.45, 809,524.26 and 179,883.72 is: 269,824.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,685.45 : 809,524.26 = 179,883.72 : x
  2. Step 2: Convert to fraction form
    539,685.45/809,524.26 = 179,883.72/x
  3. Step 3: Cross multiply
    539,685.45x = 809,524.26 × 179,883.72
  4. Step 4: Simplify right side
    539,685.45x = 145,620,235,319.05
  5. Step 5: Solve for x
    x = 145,620,235,319.05/539,685.45
  6. Step 6: Final answer
    x = 269,824.28

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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.