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Finding the Fourth Proportional to 997.46, 1,496.44 and 586.94

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Solution

The fourth proportional to 997.46, 1,496.44 and 586.94 is: 880.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    997.46 : 1,496.44 = 586.94 : x
  2. Step 2: Convert to fraction form
    997.46/1,496.44 = 586.94/x
  3. Step 3: Cross multiply
    997.46x = 1,496.44 × 586.94
  4. Step 4: Simplify right side
    997.46x = 878,320.49
  5. Step 5: Solve for x
    x = 878,320.49/997.46
  6. Step 6: Final answer
    x = 880.56

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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.