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Finding the Fourth Proportional to 303.24, 455.01 and 173.31

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Solution

The fourth proportional to 303.24, 455.01 and 173.31 is: 260.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    303.24 : 455.01 = 173.31 : x
  2. Step 2: Convert to fraction form
    303.24/455.01 = 173.31/x
  3. Step 3: Cross multiply
    303.24x = 455.01 × 173.31
  4. Step 4: Simplify right side
    303.24x = 78,857.78
  5. Step 5: Solve for x
    x = 78,857.78/303.24
  6. Step 6: Final answer
    x = 260.05

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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.