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Finding the Fourth Proportional to 458.96, 633.32 and 262.48

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Solution

The fourth proportional to 458.96, 633.32 and 262.48 is: 362.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    458.96 : 633.32 = 262.48 : x
  2. Step 2: Convert to fraction form
    458.96/633.32 = 262.48/x
  3. Step 3: Cross multiply
    458.96x = 633.32 × 262.48
  4. Step 4: Simplify right side
    458.96x = 166,233.83
  5. Step 5: Solve for x
    x = 166,233.83/458.96
  6. Step 6: Final answer
    x = 362.20

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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.