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Finding the Fourth Proportional to 844.56, 1,165.49 and 466.46

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Solution

The fourth proportional to 844.56, 1,165.49 and 466.46 is: 643.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    844.56 : 1,165.49 = 466.46 : x
  2. Step 2: Convert to fraction form
    844.56/1,165.49 = 466.46/x
  3. Step 3: Cross multiply
    844.56x = 1,165.49 × 466.46
  4. Step 4: Simplify right side
    844.56x = 543,646.31
  5. Step 5: Solve for x
    x = 543,646.31/844.56
  6. Step 6: Final answer
    x = 643.70

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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.