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Finding the Fourth Proportional to 336.15, 503.52 and 173.34

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Solution

The fourth proportional to 336.15, 503.52 and 173.34 is: 259.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    336.15 : 503.52 = 173.34 : x
  2. Step 2: Convert to fraction form
    336.15/503.52 = 173.34/x
  3. Step 3: Cross multiply
    336.15x = 503.52 × 173.34
  4. Step 4: Simplify right side
    336.15x = 87,279.51
  5. Step 5: Solve for x
    x = 87,279.51/336.15
  6. Step 6: Final answer
    x = 259.64

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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.