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Finding the Fourth Proportional to 458.93, 633.26 and 262.39

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Solution

The fourth proportional to 458.93, 633.26 and 262.39 is: 362.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    458.93 : 633.26 = 262.39 : x
  2. Step 2: Convert to fraction form
    458.93/633.26 = 262.39/x
  3. Step 3: Cross multiply
    458.93x = 633.26 × 262.39
  4. Step 4: Simplify right side
    458.93x = 166,161.09
  5. Step 5: Solve for x
    x = 166,161.09/458.93
  6. Step 6: Final answer
    x = 362.06

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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.