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Finding the Fourth Proportional to 462.61, 693.57 and 267.33

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Solution

The fourth proportional to 462.61, 693.57 and 267.33 is: 400.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    462.61 : 693.57 = 267.33 : x
  2. Step 2: Convert to fraction form
    462.61/693.57 = 267.33/x
  3. Step 3: Cross multiply
    462.61x = 693.57 × 267.33
  4. Step 4: Simplify right side
    462.61x = 185,412.07
  5. Step 5: Solve for x
    x = 185,412.07/462.61
  6. Step 6: Final answer
    x = 400.80

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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.