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Finding the Fourth Proportional to 475.65, 713.18 and 267.44

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Solution

The fourth proportional to 475.65, 713.18 and 267.44 is: 400.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    475.65 : 713.18 = 267.44 : x
  2. Step 2: Convert to fraction form
    475.65/713.18 = 267.44/x
  3. Step 3: Cross multiply
    475.65x = 713.18 × 267.44
  4. Step 4: Simplify right side
    475.65x = 190,727.96
  5. Step 5: Solve for x
    x = 190,727.96/475.65
  6. Step 6: Final answer
    x = 400.98

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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.