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Finding the Fourth Proportional to 997.54, 1,494.26 and 585.69

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Solution

The fourth proportional to 997.54, 1,494.26 and 585.69 is: 877.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    997.54 : 1,494.26 = 585.69 : x
  2. Step 2: Convert to fraction form
    997.54/1,494.26 = 585.69/x
  3. Step 3: Cross multiply
    997.54x = 1,494.26 × 585.69
  4. Step 4: Simplify right side
    997.54x = 875,166.80
  5. Step 5: Solve for x
    x = 875,166.80/997.54
  6. Step 6: Final answer
    x = 877.33

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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.