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Finding the Fourth Proportional to 575.99, 862.83 and 267.42

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Solution

The fourth proportional to 575.99, 862.83 and 267.42 is: 400.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    575.99 : 862.83 = 267.42 : x
  2. Step 2: Convert to fraction form
    575.99/862.83 = 267.42/x
  3. Step 3: Cross multiply
    575.99x = 862.83 × 267.42
  4. Step 4: Simplify right side
    575.99x = 230,738.00
  5. Step 5: Solve for x
    x = 230,738.00/575.99
  6. Step 6: Final answer
    x = 400.60

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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.