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Finding the Fourth Proportional to 794.46, 1,096.32 and 462.87

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Solution

The fourth proportional to 794.46, 1,096.32 and 462.87 is: 638.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    794.46 : 1,096.32 = 462.87 : x
  2. Step 2: Convert to fraction form
    794.46/1,096.32 = 462.87/x
  3. Step 3: Cross multiply
    794.46x = 1,096.32 × 462.87
  4. Step 4: Simplify right side
    794.46x = 507,453.64
  5. Step 5: Solve for x
    x = 507,453.64/794.46
  6. Step 6: Final answer
    x = 638.74

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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.