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Finding the Fourth Proportional to 296.27, 407.96 and 234.08

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Solution

The fourth proportional to 296.27, 407.96 and 234.08 is: 322.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    296.27 : 407.96 = 234.08 : x
  2. Step 2: Convert to fraction form
    296.27/407.96 = 234.08/x
  3. Step 3: Cross multiply
    296.27x = 407.96 × 234.08
  4. Step 4: Simplify right side
    296.27x = 95,493.08
  5. Step 5: Solve for x
    x = 95,493.08/296.27
  6. Step 6: Final answer
    x = 322.32

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Why These Related Problems?

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