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Finding the Fourth Proportional to 575.97, 864.02 and 267.76

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Solution

The fourth proportional to 575.97, 864.02 and 267.76 is: 401.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    575.97 : 864.02 = 267.76 : x
  2. Step 2: Convert to fraction form
    575.97/864.02 = 267.76/x
  3. Step 3: Cross multiply
    575.97x = 864.02 × 267.76
  4. Step 4: Simplify right side
    575.97x = 231,350.00
  5. Step 5: Solve for x
    x = 231,350.00/575.97
  6. Step 6: Final answer
    x = 401.67

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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.