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Finding the Fourth Proportional to 328.84, 493.26 and 184.26

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Solution

The fourth proportional to 328.84, 493.26 and 184.26 is: 276.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    328.84 : 493.26 = 184.26 : x
  2. Step 2: Convert to fraction form
    328.84/493.26 = 184.26/x
  3. Step 3: Cross multiply
    328.84x = 493.26 × 184.26
  4. Step 4: Simplify right side
    328.84x = 90,888.09
  5. Step 5: Solve for x
    x = 90,888.09/328.84
  6. Step 6: Final answer
    x = 276.39

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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.