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Finding the Fourth Proportional to 253.94, 379.04 and 232.29

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Solution

The fourth proportional to 253.94, 379.04 and 232.29 is: 346.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    253.94 : 379.04 = 232.29 : x
  2. Step 2: Convert to fraction form
    253.94/379.04 = 232.29/x
  3. Step 3: Cross multiply
    253.94x = 379.04 × 232.29
  4. Step 4: Simplify right side
    253.94x = 88,048.74
  5. Step 5: Solve for x
    x = 88,048.74/253.94
  6. Step 6: Final answer
    x = 346.74

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.