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Finding the Fourth Proportional to 462.33, 637.75 and 296.35

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Solution

The fourth proportional to 462.33, 637.75 and 296.35 is: 408.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    462.33 : 637.75 = 296.35 : x
  2. Step 2: Convert to fraction form
    462.33/637.75 = 296.35/x
  3. Step 3: Cross multiply
    462.33x = 637.75 × 296.35
  4. Step 4: Simplify right side
    462.33x = 188,997.21
  5. Step 5: Solve for x
    x = 188,997.21/462.33
  6. Step 6: Final answer
    x = 408.79

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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.