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Finding the Fourth Proportional to 796.23, 1,098.87 and 464.69

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Solution

The fourth proportional to 796.23, 1,098.87 and 464.69 is: 641.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    796.23 : 1,098.87 = 464.69 : x
  2. Step 2: Convert to fraction form
    796.23/1,098.87 = 464.69/x
  3. Step 3: Cross multiply
    796.23x = 1,098.87 × 464.69
  4. Step 4: Simplify right side
    796.23x = 510,631.58
  5. Step 5: Solve for x
    x = 510,631.58/796.23
  6. Step 6: Final answer
    x = 641.31

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1.5x scale

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.