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Finding the Fourth Proportional to 332.77, 499.41 and 230.77

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Solution

The fourth proportional to 332.77, 499.41 and 230.77 is: 346.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.77 : 499.41 = 230.77 : x
  2. Step 2: Convert to fraction form
    332.77/499.41 = 230.77/x
  3. Step 3: Cross multiply
    332.77x = 499.41 × 230.77
  4. Step 4: Simplify right side
    332.77x = 115,246.97
  5. Step 5: Solve for x
    x = 115,246.97/332.77
  6. Step 6: Final answer
    x = 346.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.