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Finding the Fourth Proportional to 1,082.01, 1,623.36 and 352.11

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Solution

The fourth proportional to 1,082.01, 1,623.36 and 352.11 is: 528.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,082.01 : 1,623.36 = 352.11 : x
  2. Step 2: Convert to fraction form
    1,082.01/1,623.36 = 352.11/x
  3. Step 3: Cross multiply
    1,082.01x = 1,623.36 × 352.11
  4. Step 4: Simplify right side
    1,082.01x = 571,601.29
  5. Step 5: Solve for x
    x = 571,601.29/1,082.01
  6. Step 6: Final answer
    x = 528.28

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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.