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Finding the Fourth Proportional to 462.02, 693.18 and 267.25

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Solution

The fourth proportional to 462.02, 693.18 and 267.25 is: 400.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    462.02 : 693.18 = 267.25 : x
  2. Step 2: Convert to fraction form
    462.02/693.18 = 267.25/x
  3. Step 3: Cross multiply
    462.02x = 693.18 × 267.25
  4. Step 4: Simplify right side
    462.02x = 185,252.36
  5. Step 5: Solve for x
    x = 185,252.36/462.02
  6. Step 6: Final answer
    x = 400.96

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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.