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Finding the Fourth Proportional to 357.34, 492.96 and 232.99

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Solution

The fourth proportional to 357.34, 492.96 and 232.99 is: 321.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    357.34 : 492.96 = 232.99 : x
  2. Step 2: Convert to fraction form
    357.34/492.96 = 232.99/x
  3. Step 3: Cross multiply
    357.34x = 492.96 × 232.99
  4. Step 4: Simplify right side
    357.34x = 114,854.75
  5. Step 5: Solve for x
    x = 114,854.75/357.34
  6. Step 6: Final answer
    x = 321.42

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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.