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Finding the Fourth Proportional to 453.54, 625.55 and 296

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Solution

The fourth proportional to 453.54, 625.55 and 296 is: 408.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    453.54 : 625.55 = 296 : x
  2. Step 2: Convert to fraction form
    453.54/625.55 = 296/x
  3. Step 3: Cross multiply
    453.54x = 625.55 × 296
  4. Step 4: Simplify right side
    453.54x = 185,162.80
  5. Step 5: Solve for x
    x = 185,162.80/453.54
  6. Step 6: Final answer
    x = 408.26

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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.