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Finding the Fourth Proportional to 532.44, 798.92 and 255.10

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Solution

The fourth proportional to 532.44, 798.92 and 255.10 is: 382.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    532.44 : 798.92 = 255.10 : x
  2. Step 2: Convert to fraction form
    532.44/798.92 = 255.10/x
  3. Step 3: Cross multiply
    532.44x = 798.92 × 255.10
  4. Step 4: Simplify right side
    532.44x = 203,804.49
  5. Step 5: Solve for x
    x = 203,804.49/532.44
  6. Step 6: Final answer
    x = 382.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.