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Finding the Fourth Proportional to 796.64, 1,099.58 and 460.59

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Solution

The fourth proportional to 796.64, 1,099.58 and 460.59 is: 635.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    796.64 : 1,099.58 = 460.59 : x
  2. Step 2: Convert to fraction form
    796.64/1,099.58 = 460.59/x
  3. Step 3: Cross multiply
    796.64x = 1,099.58 × 460.59
  4. Step 4: Simplify right side
    796.64x = 506,453.25
  5. Step 5: Solve for x
    x = 506,453.25/796.64
  6. Step 6: Final answer
    x = 635.74

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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.