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Finding the Fourth Proportional to 302.12, 453.72 and 230.48

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Solution

The fourth proportional to 302.12, 453.72 and 230.48 is: 346.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    302.12 : 453.72 = 230.48 : x
  2. Step 2: Convert to fraction form
    302.12/453.72 = 230.48/x
  3. Step 3: Cross multiply
    302.12x = 453.72 × 230.48
  4. Step 4: Simplify right side
    302.12x = 104,573.39
  5. Step 5: Solve for x
    x = 104,573.39/302.12
  6. Step 6: Final answer
    x = 346.13

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.