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Finding the Fourth Proportional to 336, 504.36 and 165.36

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Solution

The fourth proportional to 336, 504.36 and 165.36 is: 248.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    336 : 504.36 = 165.36 : x
  2. Step 2: Convert to fraction form
    336/504.36 = 165.36/x
  3. Step 3: Cross multiply
    336x = 504.36 × 165.36
  4. Step 4: Simplify right side
    336x = 83,400.97
  5. Step 5: Solve for x
    x = 83,400.97/336
  6. Step 6: Final answer
    x = 248.22

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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.