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Finding the Fourth Proportional to 302.96, 454.50 and 165.93

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Solution

The fourth proportional to 302.96, 454.50 and 165.93 is: 248.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    302.96 : 454.50 = 165.93 : x
  2. Step 2: Convert to fraction form
    302.96/454.50 = 165.93/x
  3. Step 3: Cross multiply
    302.96x = 454.50 × 165.93
  4. Step 4: Simplify right side
    302.96x = 75,415.19
  5. Step 5: Solve for x
    x = 75,415.19/302.96
  6. Step 6: Final answer
    x = 248.93

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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.