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Finding the Fourth Proportional to 306.17, 458.43 and 184.26

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Solution

The fourth proportional to 306.17, 458.43 and 184.26 is: 275.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    306.17 : 458.43 = 184.26 : x
  2. Step 2: Convert to fraction form
    306.17/458.43 = 184.26/x
  3. Step 3: Cross multiply
    306.17x = 458.43 × 184.26
  4. Step 4: Simplify right side
    306.17x = 84,470.31
  5. Step 5: Solve for x
    x = 84,470.31/306.17
  6. Step 6: Final answer
    x = 275.90

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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.