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Finding the Fourth Proportional to 472.97, 652.70 and 265.97

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Solution

The fourth proportional to 472.97, 652.70 and 265.97 is: 367.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    472.97 : 652.70 = 265.97 : x
  2. Step 2: Convert to fraction form
    472.97/652.70 = 265.97/x
  3. Step 3: Cross multiply
    472.97x = 652.70 × 265.97
  4. Step 4: Simplify right side
    472.97x = 173,597.29
  5. Step 5: Solve for x
    x = 173,597.29/472.97
  6. Step 6: Final answer
    x = 367.04

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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.