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Finding the Fourth Proportional to 332.51, 458.66 and 234.70

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Solution

The fourth proportional to 332.51, 458.66 and 234.70 is: 323.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.51 : 458.66 = 234.70 : x
  2. Step 2: Convert to fraction form
    332.51/458.66 = 234.70/x
  3. Step 3: Cross multiply
    332.51x = 458.66 × 234.70
  4. Step 4: Simplify right side
    332.51x = 107,646.94
  5. Step 5: Solve for x
    x = 107,646.94/332.51
  6. Step 6: Final answer
    x = 323.75

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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.