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Finding the Fourth Proportional to 303.93, 455.31 and 167.04

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Solution

The fourth proportional to 303.93, 455.31 and 167.04 is: 250.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    303.93 : 455.31 = 167.04 : x
  2. Step 2: Convert to fraction form
    303.93/455.31 = 167.04/x
  3. Step 3: Cross multiply
    303.93x = 455.31 × 167.04
  4. Step 4: Simplify right side
    303.93x = 76,054.98
  5. Step 5: Solve for x
    x = 76,054.98/303.93
  6. Step 6: Final answer
    x = 250.24

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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.