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Finding the Fourth Proportional to 1,082.76, 1,625.28 and 466.76

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Solution

The fourth proportional to 1,082.76, 1,625.28 and 466.76 is: 700.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,082.76 : 1,625.28 = 466.76 : x
  2. Step 2: Convert to fraction form
    1,082.76/1,625.28 = 466.76/x
  3. Step 3: Cross multiply
    1,082.76x = 1,625.28 × 466.76
  4. Step 4: Simplify right side
    1,082.76x = 758,615.69
  5. Step 5: Solve for x
    x = 758,615.69/1,082.76
  6. Step 6: Final answer
    x = 700.63

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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.