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Finding the Fourth Proportional to 336.66, 504.57 and 174.30

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Solution

The fourth proportional to 336.66, 504.57 and 174.30 is: 261.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    336.66 : 504.57 = 174.30 : x
  2. Step 2: Convert to fraction form
    336.66/504.57 = 174.30/x
  3. Step 3: Cross multiply
    336.66x = 504.57 × 174.30
  4. Step 4: Simplify right side
    336.66x = 87,946.55
  5. Step 5: Solve for x
    x = 87,946.55/336.66
  6. Step 6: Final answer
    x = 261.23

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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.