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Finding the Fourth Proportional to 304.93, 457.40 and 167.95

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Solution

The fourth proportional to 304.93, 457.40 and 167.95 is: 251.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    304.93 : 457.40 = 167.95 : x
  2. Step 2: Convert to fraction form
    304.93/457.40 = 167.95/x
  3. Step 3: Cross multiply
    304.93x = 457.40 × 167.95
  4. Step 4: Simplify right side
    304.93x = 76,820.33
  5. Step 5: Solve for x
    x = 76,820.33/304.93
  6. Step 6: Final answer
    x = 251.93

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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.