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Finding the Fourth Proportional to 533,418.60, 800,346.60 and 196,620.60

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Solution

The fourth proportional to 533,418.60, 800,346.60 and 196,620.60 is: 295,011.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,418.60 : 800,346.60 = 196,620.60 : x
  2. Step 2: Convert to fraction form
    533,418.60/800,346.60 = 196,620.60/x
  3. Step 3: Cross multiply
    533,418.60x = 800,346.60 × 196,620.60
  4. Step 4: Simplify right side
    533,418.60x = 157,364,628,699.96
  5. Step 5: Solve for x
    x = 157,364,628,699.96/533,418.60
  6. Step 6: Final answer
    x = 295,011.51

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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.