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Finding the Fourth Proportional to 527.24, 790.97 and 267.13

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Solution

The fourth proportional to 527.24, 790.97 and 267.13 is: 400.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    527.24 : 790.97 = 267.13 : x
  2. Step 2: Convert to fraction form
    527.24/790.97 = 267.13/x
  3. Step 3: Cross multiply
    527.24x = 790.97 × 267.13
  4. Step 4: Simplify right side
    527.24x = 211,291.47
  5. Step 5: Solve for x
    x = 211,291.47/527.24
  6. Step 6: Final answer
    x = 400.75

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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.