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Finding the Fourth Proportional to 732.08, 1,102.46 and 637.04

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Solution

The fourth proportional to 732.08, 1,102.46 and 637.04 is: 959.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    732.08 : 1,102.46 = 637.04 : x
  2. Step 2: Convert to fraction form
    732.08/1,102.46 = 637.04/x
  3. Step 3: Cross multiply
    732.08x = 1,102.46 × 637.04
  4. Step 4: Simplify right side
    732.08x = 702,311.12
  5. Step 5: Solve for x
    x = 702,311.12/732.08
  6. Step 6: Final answer
    x = 959.34

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.