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Finding the Fourth Proportional to 1,016.46, 1,524 and 553.86

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Solution

The fourth proportional to 1,016.46, 1,524 and 553.86 is: 830.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,016.46 : 1,524 = 553.86 : x
  2. Step 2: Convert to fraction form
    1,016.46/1,524 = 553.86/x
  3. Step 3: Cross multiply
    1,016.46x = 1,524 × 553.86
  4. Step 4: Simplify right side
    1,016.46x = 844,082.64
  5. Step 5: Solve for x
    x = 844,082.64/1,016.46
  6. Step 6: Final answer
    x = 830.41

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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.