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Finding the Fourth Proportional to 334.48, 501.72 and 238

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Solution

The fourth proportional to 334.48, 501.72 and 238 is: 357

Step by Step Solution

  1. Step 1: Write the proportion equation
    334.48 : 501.72 = 238 : x
  2. Step 2: Convert to fraction form
    334.48/501.72 = 238/x
  3. Step 3: Cross multiply
    334.48x = 501.72 × 238
  4. Step 4: Simplify right side
    334.48x = 119,409.36
  5. Step 5: Solve for x
    x = 119,409.36/334.48
  6. Step 6: Final answer
    x = 357

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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.