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Finding the Fourth Proportional to 452.46, 624.20 and 265.96

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Solution

The fourth proportional to 452.46, 624.20 and 265.96 is: 366.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    452.46 : 624.20 = 265.96 : x
  2. Step 2: Convert to fraction form
    452.46/624.20 = 265.96/x
  3. Step 3: Cross multiply
    452.46x = 624.20 × 265.96
  4. Step 4: Simplify right side
    452.46x = 166,011.68
  5. Step 5: Solve for x
    x = 166,011.68/452.46
  6. Step 6: Final answer
    x = 366.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.