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Finding the Fourth Proportional to 225.42, 337.58 and 173.63

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Solution

The fourth proportional to 225.42, 337.58 and 173.63 is: 260.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    225.42 : 337.58 = 173.63 : x
  2. Step 2: Convert to fraction form
    225.42/337.58 = 173.63/x
  3. Step 3: Cross multiply
    225.42x = 337.58 × 173.63
  4. Step 4: Simplify right side
    225.42x = 58,613.72
  5. Step 5: Solve for x
    x = 58,613.72/225.42
  6. Step 6: Final answer
    x = 260.02

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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.