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Finding the Fourth Proportional to 532.95, 799.59 and 167.78

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Solution

The fourth proportional to 532.95, 799.59 and 167.78 is: 251.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    532.95 : 799.59 = 167.78 : x
  2. Step 2: Convert to fraction form
    532.95/799.59 = 167.78/x
  3. Step 3: Cross multiply
    532.95x = 799.59 × 167.78
  4. Step 4: Simplify right side
    532.95x = 134,151.21
  5. Step 5: Solve for x
    x = 134,151.21/532.95
  6. Step 6: Final answer
    x = 251.71

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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.