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Finding the Fourth Proportional to 996.46, 1,494.94 and 585.94

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Solution

The fourth proportional to 996.46, 1,494.94 and 585.94 is: 879.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    996.46 : 1,494.94 = 585.94 : x
  2. Step 2: Convert to fraction form
    996.46/1,494.94 = 585.94/x
  3. Step 3: Cross multiply
    996.46x = 1,494.94 × 585.94
  4. Step 4: Simplify right side
    996.46x = 875,945.14
  5. Step 5: Solve for x
    x = 875,945.14/996.46
  6. Step 6: Final answer
    x = 879.06

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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.