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Finding the Fourth Proportional to 302.67, 454.70 and 181.02

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Solution

The fourth proportional to 302.67, 454.70 and 181.02 is: 271.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    302.67 : 454.70 = 181.02 : x
  2. Step 2: Convert to fraction form
    302.67/454.70 = 181.02/x
  3. Step 3: Cross multiply
    302.67x = 454.70 × 181.02
  4. Step 4: Simplify right side
    302.67x = 82,309.79
  5. Step 5: Solve for x
    x = 82,309.79/302.67
  6. Step 6: Final answer
    x = 271.95

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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.