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Finding the Fourth Proportional to 734.04, 1,004.19 and 730.92

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Solution

The fourth proportional to 734.04, 1,004.19 and 730.92 is: 999.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    734.04 : 1,004.19 = 730.92 : x
  2. Step 2: Convert to fraction form
    734.04/1,004.19 = 730.92/x
  3. Step 3: Cross multiply
    734.04x = 1,004.19 × 730.92
  4. Step 4: Simplify right side
    734.04x = 733,982.55
  5. Step 5: Solve for x
    x = 733,982.55/734.04
  6. Step 6: Final answer
    x = 999.92

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.