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Finding the Fourth Proportional to 794.72, 1,096.82 and 463.16

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Solution

The fourth proportional to 794.72, 1,096.82 and 463.16 is: 639.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    794.72 : 1,096.82 = 463.16 : x
  2. Step 2: Convert to fraction form
    794.72/1,096.82 = 463.16/x
  3. Step 3: Cross multiply
    794.72x = 1,096.82 × 463.16
  4. Step 4: Simplify right side
    794.72x = 508,003.15
  5. Step 5: Solve for x
    x = 508,003.15/794.72
  6. Step 6: Final answer
    x = 639.22

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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.