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Finding the Fourth Proportional to 591.66, 816.04 and 467.12

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Solution

The fourth proportional to 591.66, 816.04 and 467.12 is: 644.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    591.66 : 816.04 = 467.12 : x
  2. Step 2: Convert to fraction form
    591.66/816.04 = 467.12/x
  3. Step 3: Cross multiply
    591.66x = 816.04 × 467.12
  4. Step 4: Simplify right side
    591.66x = 381,188.60
  5. Step 5: Solve for x
    x = 381,188.60/591.66
  6. Step 6: Final answer
    x = 644.27

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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.