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Finding the Fourth Proportional to 346.69, 515.95 and 333.73

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Solution

The fourth proportional to 346.69, 515.95 and 333.73 is: 496.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    346.69 : 515.95 = 333.73 : x
  2. Step 2: Convert to fraction form
    346.69/515.95 = 333.73/x
  3. Step 3: Cross multiply
    346.69x = 515.95 × 333.73
  4. Step 4: Simplify right side
    346.69x = 172,187.99
  5. Step 5: Solve for x
    x = 172,187.99/346.69
  6. Step 6: Final answer
    x = 496.66

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.