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Finding the Fourth Proportional to 793.88, 1,096.06 and 545.12

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Solution

The fourth proportional to 793.88, 1,096.06 and 545.12 is: 752.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    793.88 : 1,096.06 = 545.12 : x
  2. Step 2: Convert to fraction form
    793.88/1,096.06 = 545.12/x
  3. Step 3: Cross multiply
    793.88x = 1,096.06 × 545.12
  4. Step 4: Simplify right side
    793.88x = 597,484.23
  5. Step 5: Solve for x
    x = 597,484.23/793.88
  6. Step 6: Final answer
    x = 752.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.