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Finding the Fourth Proportional to 533.76, 800 and 244.64

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Solution

The fourth proportional to 533.76, 800 and 244.64 is: 366.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    533.76 : 800 = 244.64 : x
  2. Step 2: Convert to fraction form
    533.76/800 = 244.64/x
  3. Step 3: Cross multiply
    533.76x = 800 × 244.64
  4. Step 4: Simplify right side
    533.76x = 195,712
  5. Step 5: Solve for x
    x = 195,712/533.76
  6. Step 6: Final answer
    x = 366.67

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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.