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Finding the Fourth Proportional to 332.39, 458.51 and 214.26

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Solution

The fourth proportional to 332.39, 458.51 and 214.26 is: 295.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.39 : 458.51 = 214.26 : x
  2. Step 2: Convert to fraction form
    332.39/458.51 = 214.26/x
  3. Step 3: Cross multiply
    332.39x = 458.51 × 214.26
  4. Step 4: Simplify right side
    332.39x = 98,239.28
  5. Step 5: Solve for x
    x = 98,239.28/332.39
  6. Step 6: Final answer
    x = 295.56

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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.