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Finding the Fourth Proportional to 796.77, 1,099.75 and 460.72

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Solution

The fourth proportional to 796.77, 1,099.75 and 460.72 is: 635.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    796.77 : 1,099.75 = 460.72 : x
  2. Step 2: Convert to fraction form
    796.77/1,099.75 = 460.72/x
  3. Step 3: Cross multiply
    796.77x = 1,099.75 × 460.72
  4. Step 4: Simplify right side
    796.77x = 506,676.82
  5. Step 5: Solve for x
    x = 506,676.82/796.77
  6. Step 6: Final answer
    x = 635.91

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.