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Finding the Fourth Proportional to 302.32, 417.30 and 204.04

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Solution

The fourth proportional to 302.32, 417.30 and 204.04 is: 281.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    302.32 : 417.30 = 204.04 : x
  2. Step 2: Convert to fraction form
    302.32/417.30 = 204.04/x
  3. Step 3: Cross multiply
    302.32x = 417.30 × 204.04
  4. Step 4: Simplify right side
    302.32x = 85,145.89
  5. Step 5: Solve for x
    x = 85,145.89/302.32
  6. Step 6: Final answer
    x = 281.64

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.