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Finding the Fourth Proportional to 358.65, 495.20 and 332.44

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Solution

The fourth proportional to 358.65, 495.20 and 332.44 is: 459.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    358.65 : 495.20 = 332.44 : x
  2. Step 2: Convert to fraction form
    358.65/495.20 = 332.44/x
  3. Step 3: Cross multiply
    358.65x = 495.20 × 332.44
  4. Step 4: Simplify right side
    358.65x = 164,623.88
  5. Step 5: Solve for x
    x = 164,623.88/358.65
  6. Step 6: Final answer
    x = 459.01

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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.