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Finding the Fourth Proportional to 533,563.49, 800,346.58 and 218,020.39

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Solution

The fourth proportional to 533,563.49, 800,346.58 and 218,020.39 is: 327,031.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,563.49 : 800,346.58 = 218,020.39 : x
  2. Step 2: Convert to fraction form
    533,563.49/800,346.58 = 218,020.39/x
  3. Step 3: Cross multiply
    533,563.49x = 800,346.58 × 218,020.39
  4. Step 4: Simplify right side
    533,563.49x = 174,491,870,960.85
  5. Step 5: Solve for x
    x = 174,491,870,960.85/533,563.49
  6. Step 6: Final answer
    x = 327,031.13

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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.