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Finding the Fourth Proportional to 994.92, 1,492.58 and 532.96

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Solution

The fourth proportional to 994.92, 1,492.58 and 532.96 is: 799.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    994.92 : 1,492.58 = 532.96 : x
  2. Step 2: Convert to fraction form
    994.92/1,492.58 = 532.96/x
  3. Step 3: Cross multiply
    994.92x = 1,492.58 × 532.96
  4. Step 4: Simplify right side
    994.92x = 795,485.44
  5. Step 5: Solve for x
    x = 795,485.44/994.92
  6. Step 6: Final answer
    x = 799.55

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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.