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Finding the Fourth Proportional to 357.03, 492.27 and 232.64

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Solution

The fourth proportional to 357.03, 492.27 and 232.64 is: 320.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    357.03 : 492.27 = 232.64 : x
  2. Step 2: Convert to fraction form
    357.03/492.27 = 232.64/x
  3. Step 3: Cross multiply
    357.03x = 492.27 × 232.64
  4. Step 4: Simplify right side
    357.03x = 114,519.23
  5. Step 5: Solve for x
    x = 114,519.23/357.03
  6. Step 6: Final answer
    x = 320.76

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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.