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Finding the Fourth Proportional to 589.82, 814.46 and 466.16

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Solution

The fourth proportional to 589.82, 814.46 and 466.16 is: 643.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    589.82 : 814.46 = 466.16 : x
  2. Step 2: Convert to fraction form
    589.82/814.46 = 466.16/x
  3. Step 3: Cross multiply
    589.82x = 814.46 × 466.16
  4. Step 4: Simplify right side
    589.82x = 379,662.27
  5. Step 5: Solve for x
    x = 379,662.27/589.82
  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.