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Finding the Fourth Proportional to 337.71, 506.40 and 173.01

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Solution

The fourth proportional to 337.71, 506.40 and 173.01 is: 259.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    337.71 : 506.40 = 173.01 : x
  2. Step 2: Convert to fraction form
    337.71/506.40 = 173.01/x
  3. Step 3: Cross multiply
    337.71x = 506.40 × 173.01
  4. Step 4: Simplify right side
    337.71x = 87,612.26
  5. Step 5: Solve for x
    x = 87,612.26/337.71
  6. Step 6: Final answer
    x = 259.43

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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.