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Finding the Fourth Proportional to 793.81, 1,095.83 and 462.12

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Solution

The fourth proportional to 793.81, 1,095.83 and 462.12 is: 637.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    793.81 : 1,095.83 = 462.12 : x
  2. Step 2: Convert to fraction form
    793.81/1,095.83 = 462.12/x
  3. Step 3: Cross multiply
    793.81x = 1,095.83 × 462.12
  4. Step 4: Simplify right side
    793.81x = 506,404.96
  5. Step 5: Solve for x
    x = 506,404.96/793.81
  6. Step 6: Final answer
    x = 637.94

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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.