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Finding the Fourth Proportional to 358.25, 493.62 and 241.61

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Solution

The fourth proportional to 358.25, 493.62 and 241.61 is: 332.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    358.25 : 493.62 = 241.61 : x
  2. Step 2: Convert to fraction form
    358.25/493.62 = 241.61/x
  3. Step 3: Cross multiply
    358.25x = 493.62 × 241.61
  4. Step 4: Simplify right side
    358.25x = 119,264.76
  5. Step 5: Solve for x
    x = 119,264.76/358.25
  6. Step 6: Final answer
    x = 332.91

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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.