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Finding the Fourth Proportional to 462.36, 693.06 and 267.12

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Solution

The fourth proportional to 462.36, 693.06 and 267.12 is: 400.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    462.36 : 693.06 = 267.12 : x
  2. Step 2: Convert to fraction form
    462.36/693.06 = 267.12/x
  3. Step 3: Cross multiply
    462.36x = 693.06 × 267.12
  4. Step 4: Simplify right side
    462.36x = 185,130.19
  5. Step 5: Solve for x
    x = 185,130.19/462.36
  6. Step 6: Final answer
    x = 400.40

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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.