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Finding the Fourth Proportional to 358.14, 493.82 and 292.44

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Solution

The fourth proportional to 358.14, 493.82 and 292.44 is: 403.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    358.14 : 493.82 = 292.44 : x
  2. Step 2: Convert to fraction form
    358.14/493.82 = 292.44/x
  3. Step 3: Cross multiply
    358.14x = 493.82 × 292.44
  4. Step 4: Simplify right side
    358.14x = 144,412.72
  5. Step 5: Solve for x
    x = 144,412.72/358.14
  6. Step 6: Final answer
    x = 403.23

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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.