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Finding the Fourth Proportional to 302.14, 453.08 and 165.04

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Solution

The fourth proportional to 302.14, 453.08 and 165.04 is: 247.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    302.14 : 453.08 = 165.04 : x
  2. Step 2: Convert to fraction form
    302.14/453.08 = 165.04/x
  3. Step 3: Cross multiply
    302.14x = 453.08 × 165.04
  4. Step 4: Simplify right side
    302.14x = 74,776.32
  5. Step 5: Solve for x
    x = 74,776.32/302.14
  6. Step 6: Final answer
    x = 247.49

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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.