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Finding the Fourth Proportional to 532.52, 798.88 and 167.31

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Solution

The fourth proportional to 532.52, 798.88 and 167.31 is: 251.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    532.52 : 798.88 = 167.31 : x
  2. Step 2: Convert to fraction form
    532.52/798.88 = 167.31/x
  3. Step 3: Cross multiply
    532.52x = 798.88 × 167.31
  4. Step 4: Simplify right side
    532.52x = 133,660.19
  5. Step 5: Solve for x
    x = 133,660.19/532.52
  6. Step 6: Final answer
    x = 251.00

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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.