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Finding the Fourth Proportional to 1,364.22, 2,046.12 and 363.48

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Solution

The fourth proportional to 1,364.22, 2,046.12 and 363.48 is: 545.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,364.22 : 2,046.12 = 363.48 : x
  2. Step 2: Convert to fraction form
    1,364.22/2,046.12 = 363.48/x
  3. Step 3: Cross multiply
    1,364.22x = 2,046.12 × 363.48
  4. Step 4: Simplify right side
    1,364.22x = 743,723.70
  5. Step 5: Solve for x
    x = 743,723.70/1,364.22
  6. Step 6: Final answer
    x = 545.16

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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.