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Finding the Fourth Proportional to 997.38, 1,496.94 and 585.93

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Solution

The fourth proportional to 997.38, 1,496.94 and 585.93 is: 879.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    997.38 : 1,496.94 = 585.93 : x
  2. Step 2: Convert to fraction form
    997.38/1,496.94 = 585.93/x
  3. Step 3: Cross multiply
    997.38x = 1,496.94 × 585.93
  4. Step 4: Simplify right side
    997.38x = 877,102.05
  5. Step 5: Solve for x
    x = 877,102.05/997.38
  6. Step 6: Final answer
    x = 879.41

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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.