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Finding the Fourth Proportional to 591.46, 887.39 and 267.05

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Solution

The fourth proportional to 591.46, 887.39 and 267.05 is: 400.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    591.46 : 887.39 = 267.05 : x
  2. Step 2: Convert to fraction form
    591.46/887.39 = 267.05/x
  3. Step 3: Cross multiply
    591.46x = 887.39 × 267.05
  4. Step 4: Simplify right side
    591.46x = 236,977.50
  5. Step 5: Solve for x
    x = 236,977.50/591.46
  6. Step 6: Final answer
    x = 400.67

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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.