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Finding the Fourth Proportional to 316.68, 475 and 244.56

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Solution

The fourth proportional to 316.68, 475 and 244.56 is: 366.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    316.68 : 475 = 244.56 : x
  2. Step 2: Convert to fraction form
    316.68/475 = 244.56/x
  3. Step 3: Cross multiply
    316.68x = 475 × 244.56
  4. Step 4: Simplify right side
    316.68x = 116,166
  5. Step 5: Solve for x
    x = 116,166/316.68
  6. Step 6: Final answer
    x = 366.82

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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.