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Finding the Fourth Proportional to 604.02, 832.42 and 493.14

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Solution

The fourth proportional to 604.02, 832.42 and 493.14 is: 679.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    604.02 : 832.42 = 493.14 : x
  2. Step 2: Convert to fraction form
    604.02/832.42 = 493.14/x
  3. Step 3: Cross multiply
    604.02x = 832.42 × 493.14
  4. Step 4: Simplify right side
    604.02x = 410,499.60
  5. Step 5: Solve for x
    x = 410,499.60/604.02
  6. Step 6: Final answer
    x = 679.61

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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.