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Finding the Fourth Proportional to 332,440.80, 498,515.40 and 132,694.80

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Solution

The fourth proportional to 332,440.80, 498,515.40 and 132,694.80 is: 198,984.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,440.80 : 498,515.40 = 132,694.80 : x
  2. Step 2: Convert to fraction form
    332,440.80/498,515.40 = 132,694.80/x
  3. Step 3: Cross multiply
    332,440.80x = 498,515.40 × 132,694.80
  4. Step 4: Simplify right side
    332,440.80x = 66,150,401,299.92
  5. Step 5: Solve for x
    x = 66,150,401,299.92/332,440.80
  6. Step 6: Final answer
    x = 198,984.00

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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.