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Finding the Fourth Proportional to 796.46, 1,098.99 and 464.63

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Solution

The fourth proportional to 796.46, 1,098.99 and 464.63 is: 641.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    796.46 : 1,098.99 = 464.63 : x
  2. Step 2: Convert to fraction form
    796.46/1,098.99 = 464.63/x
  3. Step 3: Cross multiply
    796.46x = 1,098.99 × 464.63
  4. Step 4: Simplify right side
    796.46x = 510,618.23
  5. Step 5: Solve for x
    x = 510,618.23/796.46
  6. Step 6: Final answer
    x = 641.11

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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.