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Finding the Fourth Proportional to 472.56, 652.02 and 265.56

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Solution

The fourth proportional to 472.56, 652.02 and 265.56 is: 366.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    472.56 : 652.02 = 265.56 : x
  2. Step 2: Convert to fraction form
    472.56/652.02 = 265.56/x
  3. Step 3: Cross multiply
    472.56x = 652.02 × 265.56
  4. Step 4: Simplify right side
    472.56x = 173,150.43
  5. Step 5: Solve for x
    x = 173,150.43/472.56
  6. Step 6: Final answer
    x = 366.41

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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.