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Finding the Fourth Proportional to 452.48, 625.09 and 358.92

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Solution

The fourth proportional to 452.48, 625.09 and 358.92 is: 495.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    452.48 : 625.09 = 358.92 : x
  2. Step 2: Convert to fraction form
    452.48/625.09 = 358.92/x
  3. Step 3: Cross multiply
    452.48x = 625.09 × 358.92
  4. Step 4: Simplify right side
    452.48x = 224,357.30
  5. Step 5: Solve for x
    x = 224,357.30/452.48
  6. Step 6: Final answer
    x = 495.84

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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.