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Finding the Fourth Proportional to 1,094.08, 1,640.92 and 363.56

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Solution

The fourth proportional to 1,094.08, 1,640.92 and 363.56 is: 545.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,094.08 : 1,640.92 = 363.56 : x
  2. Step 2: Convert to fraction form
    1,094.08/1,640.92 = 363.56/x
  3. Step 3: Cross multiply
    1,094.08x = 1,640.92 × 363.56
  4. Step 4: Simplify right side
    1,094.08x = 596,572.88
  5. Step 5: Solve for x
    x = 596,572.88/1,094.08
  6. Step 6: Final answer
    x = 545.27

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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.