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Finding the Fourth Proportional to 533,449.54, 800,007.84 and 178,380.67

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Solution

The fourth proportional to 533,449.54, 800,007.84 and 178,380.67 is: 267,515.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,449.54 : 800,007.84 = 178,380.67 : x
  2. Step 2: Convert to fraction form
    533,449.54/800,007.84 = 178,380.67/x
  3. Step 3: Cross multiply
    533,449.54x = 800,007.84 × 178,380.67
  4. Step 4: Simplify right side
    533,449.54x = 142,705,934,504.45
  5. Step 5: Solve for x
    x = 142,705,934,504.45/533,449.54
  6. Step 6: Final answer
    x = 267,515.34

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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.