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Finding the Fourth Proportional to 533,685.76, 800,524.28 and 217,921.23

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Solution

The fourth proportional to 533,685.76, 800,524.28 and 217,921.23 is: 326,880.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,685.76 : 800,524.28 = 217,921.23 : x
  2. Step 2: Convert to fraction form
    533,685.76/800,524.28 = 217,921.23/x
  3. Step 3: Cross multiply
    533,685.76x = 800,524.28 × 217,921.23
  4. Step 4: Simplify right side
    533,685.76x = 174,451,236,287.27
  5. Step 5: Solve for x
    x = 174,451,236,287.27/533,685.76
  6. Step 6: Final answer
    x = 326,880.07

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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.