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Finding the Fourth Proportional to 533,564.20, 800,346.30 and 509,944.60

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Solution

The fourth proportional to 533,564.20, 800,346.30 and 509,944.60 is: 764,916.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,564.20 : 800,346.30 = 509,944.60 : x
  2. Step 2: Convert to fraction form
    533,564.20/800,346.30 = 509,944.60/x
  3. Step 3: Cross multiply
    533,564.20x = 800,346.30 × 509,944.60
  4. Step 4: Simplify right side
    533,564.20x = 408,132,273,814.98
  5. Step 5: Solve for x
    x = 408,132,273,814.98/533,564.20
  6. Step 6: Final answer
    x = 764,916.90

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Double scale
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Similar ratio
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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.