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Finding the Fourth Proportional to 346.44, 515.58 and 333.48

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Solution

The fourth proportional to 346.44, 515.58 and 333.48 is: 496.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    346.44 : 515.58 = 333.48 : x
  2. Step 2: Convert to fraction form
    346.44/515.58 = 333.48/x
  3. Step 3: Cross multiply
    346.44x = 515.58 × 333.48
  4. Step 4: Simplify right side
    346.44x = 171,935.62
  5. Step 5: Solve for x
    x = 171,935.62/346.44
  6. Step 6: Final answer
    x = 496.29

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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.