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Finding the Fourth Proportional to 303,432.60, 454,760.10 and 269,995.80

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Solution

The fourth proportional to 303,432.60, 454,760.10 and 269,995.80 is: 404,647.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,432.60 : 454,760.10 = 269,995.80 : x
  2. Step 2: Convert to fraction form
    303,432.60/454,760.10 = 269,995.80/x
  3. Step 3: Cross multiply
    303,432.60x = 454,760.10 × 269,995.80
  4. Step 4: Simplify right side
    303,432.60x = 122,783,317,007.58
  5. Step 5: Solve for x
    x = 122,783,317,007.58/303,432.60
  6. Step 6: Final answer
    x = 404,647.74

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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.