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Finding the Fourth Proportional to 532.92, 799.62 and 225

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Solution

The fourth proportional to 532.92, 799.62 and 225 is: 337.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    532.92 : 799.62 = 225 : x
  2. Step 2: Convert to fraction form
    532.92/799.62 = 225/x
  3. Step 3: Cross multiply
    532.92x = 799.62 × 225
  4. Step 4: Simplify right side
    532.92x = 179,914.50
  5. Step 5: Solve for x
    x = 179,914.50/532.92
  6. Step 6: Final answer
    x = 337.60

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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.