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Finding the Fourth Proportional to 796.71, 1,099.51 and 482.02

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Solution

The fourth proportional to 796.71, 1,099.51 and 482.02 is: 665.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    796.71 : 1,099.51 = 482.02 : x
  2. Step 2: Convert to fraction form
    796.71/1,099.51 = 482.02/x
  3. Step 3: Cross multiply
    796.71x = 1,099.51 × 482.02
  4. Step 4: Simplify right side
    796.71x = 529,983.40
  5. Step 5: Solve for x
    x = 529,983.40/796.71
  6. Step 6: Final answer
    x = 665.22

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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.