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Finding the Fourth Proportional to 302.42, 453.83 and 179.03

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Solution

The fourth proportional to 302.42, 453.83 and 179.03 is: 268.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    302.42 : 453.83 = 179.03 : x
  2. Step 2: Convert to fraction form
    302.42/453.83 = 179.03/x
  3. Step 3: Cross multiply
    302.42x = 453.83 × 179.03
  4. Step 4: Simplify right side
    302.42x = 81,246.02
  5. Step 5: Solve for x
    x = 81,246.02/302.42
  6. Step 6: Final answer
    x = 268.66

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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.