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Finding the Fourth Proportional to 298.92, 448.56 and 116.34

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Solution

The fourth proportional to 298.92, 448.56 and 116.34 is: 174.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    298.92 : 448.56 = 116.34 : x
  2. Step 2: Convert to fraction form
    298.92/448.56 = 116.34/x
  3. Step 3: Cross multiply
    298.92x = 448.56 × 116.34
  4. Step 4: Simplify right side
    298.92x = 52,185.47
  5. Step 5: Solve for x
    x = 52,185.47/298.92
  6. Step 6: Final answer
    x = 174.58

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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.