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Finding the Fourth Proportional to 532.72, 735.05 and 333.61

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Solution

The fourth proportional to 532.72, 735.05 and 333.61 is: 460.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    532.72 : 735.05 = 333.61 : x
  2. Step 2: Convert to fraction form
    532.72/735.05 = 333.61/x
  3. Step 3: Cross multiply
    532.72x = 735.05 × 333.61
  4. Step 4: Simplify right side
    532.72x = 245,216.36
  5. Step 5: Solve for x
    x = 245,216.36/532.72
  6. Step 6: Final answer
    x = 460.31

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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.