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Finding the Fourth Proportional to 462.08, 637.63 and 296.33

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Solution

The fourth proportional to 462.08, 637.63 and 296.33 is: 408.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    462.08 : 637.63 = 296.33 : x
  2. Step 2: Convert to fraction form
    462.08/637.63 = 296.33/x
  3. Step 3: Cross multiply
    462.08x = 637.63 × 296.33
  4. Step 4: Simplify right side
    462.08x = 188,944.97
  5. Step 5: Solve for x
    x = 188,944.97/462.08
  6. Step 6: Final answer
    x = 408.90

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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.