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Finding the Fourth Proportional to 301,599.40, 451,880.70 and 196,364.20

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Solution

The fourth proportional to 301,599.40, 451,880.70 and 196,364.20 is: 294,208.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,599.40 : 451,880.70 = 196,364.20 : x
  2. Step 2: Convert to fraction form
    301,599.40/451,880.70 = 196,364.20/x
  3. Step 3: Cross multiply
    301,599.40x = 451,880.70 × 196,364.20
  4. Step 4: Simplify right side
    301,599.40x = 88,733,192,150.94
  5. Step 5: Solve for x
    x = 88,733,192,150.94/301,599.40
  6. Step 6: Final answer
    x = 294,208.78

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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.