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Finding the Fourth Proportional to 346.36, 517.52 and 334.26

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Solution

The fourth proportional to 346.36, 517.52 and 334.26 is: 499.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    346.36 : 517.52 = 334.26 : x
  2. Step 2: Convert to fraction form
    346.36/517.52 = 334.26/x
  3. Step 3: Cross multiply
    346.36x = 517.52 × 334.26
  4. Step 4: Simplify right side
    346.36x = 172,985.27
  5. Step 5: Solve for x
    x = 172,985.27/346.36
  6. Step 6: Final answer
    x = 499.43

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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.