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Finding the Fourth Proportional to 1,082.44, 1,623.54 and 352.02

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Solution

The fourth proportional to 1,082.44, 1,623.54 and 352.02 is: 527.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,082.44 : 1,623.54 = 352.02 : x
  2. Step 2: Convert to fraction form
    1,082.44/1,623.54 = 352.02/x
  3. Step 3: Cross multiply
    1,082.44x = 1,623.54 × 352.02
  4. Step 4: Simplify right side
    1,082.44x = 571,518.55
  5. Step 5: Solve for x
    x = 571,518.55/1,082.44
  6. Step 6: Final answer
    x = 527.99

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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.