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Finding the Fourth Proportional to 593.99, 817.08 and 483.21

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Solution

The fourth proportional to 593.99, 817.08 and 483.21 is: 664.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    593.99 : 817.08 = 483.21 : x
  2. Step 2: Convert to fraction form
    593.99/817.08 = 483.21/x
  3. Step 3: Cross multiply
    593.99x = 817.08 × 483.21
  4. Step 4: Simplify right side
    593.99x = 394,821.23
  5. Step 5: Solve for x
    x = 394,821.23/593.99
  6. Step 6: Final answer
    x = 664.70

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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.