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Finding the Fourth Proportional to 591.44, 814.39 and 466.70

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Solution

The fourth proportional to 591.44, 814.39 and 466.70 is: 642.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    591.44 : 814.39 = 466.70 : x
  2. Step 2: Convert to fraction form
    591.44/814.39 = 466.70/x
  3. Step 3: Cross multiply
    591.44x = 814.39 × 466.70
  4. Step 4: Simplify right side
    591.44x = 380,070.57
  5. Step 5: Solve for x
    x = 380,070.57/591.44
  6. Step 6: Final answer
    x = 642.62

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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.