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Finding the Fourth Proportional to 452.48, 624.41 and 266.07

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Solution

The fourth proportional to 452.48, 624.41 and 266.07 is: 367.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    452.48 : 624.41 = 266.07 : x
  2. Step 2: Convert to fraction form
    452.48/624.41 = 266.07/x
  3. Step 3: Cross multiply
    452.48x = 624.41 × 266.07
  4. Step 4: Simplify right side
    452.48x = 166,135.44
  5. Step 5: Solve for x
    x = 166,135.44/452.48
  6. Step 6: Final answer
    x = 367.17

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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.