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Finding the Fourth Proportional to 358.82, 495.50 and 297.26

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Solution

The fourth proportional to 358.82, 495.50 and 297.26 is: 410.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    358.82 : 495.50 = 297.26 : x
  2. Step 2: Convert to fraction form
    358.82/495.50 = 297.26/x
  3. Step 3: Cross multiply
    358.82x = 495.50 × 297.26
  4. Step 4: Simplify right side
    358.82x = 147,292.33
  5. Step 5: Solve for x
    x = 147,292.33/358.82
  6. Step 6: Final answer
    x = 410.49

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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.