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Finding the Fourth Proportional to 996, 1,494.65 and 527.91

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Solution

The fourth proportional to 996, 1,494.65 and 527.91 is: 792.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    996 : 1,494.65 = 527.91 : x
  2. Step 2: Convert to fraction form
    996/1,494.65 = 527.91/x
  3. Step 3: Cross multiply
    996x = 1,494.65 × 527.91
  4. Step 4: Simplify right side
    996x = 789,042.00
  5. Step 5: Solve for x
    x = 789,042.00/996
  6. Step 6: Final answer
    x = 792.21

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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.