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Finding the Fourth Proportional to 336.48, 504.86 and 120.08

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Solution

The fourth proportional to 336.48, 504.86 and 120.08 is: 180.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    336.48 : 504.86 = 120.08 : x
  2. Step 2: Convert to fraction form
    336.48/504.86 = 120.08/x
  3. Step 3: Cross multiply
    336.48x = 504.86 × 120.08
  4. Step 4: Simplify right side
    336.48x = 60,623.59
  5. Step 5: Solve for x
    x = 60,623.59/336.48
  6. Step 6: Final answer
    x = 180.17

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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.