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Finding the Fourth Proportional to 198.36, 297.24 and 176.58

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Solution

The fourth proportional to 198.36, 297.24 and 176.58 is: 264.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    198.36 : 297.24 = 176.58 : x
  2. Step 2: Convert to fraction form
    198.36/297.24 = 176.58/x
  3. Step 3: Cross multiply
    198.36x = 297.24 × 176.58
  4. Step 4: Simplify right side
    198.36x = 52,486.64
  5. Step 5: Solve for x
    x = 52,486.64/198.36
  6. Step 6: Final answer
    x = 264.60

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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.