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Finding the Fourth Proportional to 316.92, 437.36 and 175.14

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Solution

The fourth proportional to 316.92, 437.36 and 175.14 is: 241.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    316.92 : 437.36 = 175.14 : x
  2. Step 2: Convert to fraction form
    316.92/437.36 = 175.14/x
  3. Step 3: Cross multiply
    316.92x = 437.36 × 175.14
  4. Step 4: Simplify right side
    316.92x = 76,599.23
  5. Step 5: Solve for x
    x = 76,599.23/316.92
  6. Step 6: Final answer
    x = 241.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.