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Finding the Fourth Proportional to 604.28, 832.36 and 575.12

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Solution

The fourth proportional to 604.28, 832.36 and 575.12 is: 792.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    604.28 : 832.36 = 575.12 : x
  2. Step 2: Convert to fraction form
    604.28/832.36 = 575.12/x
  3. Step 3: Cross multiply
    604.28x = 832.36 × 575.12
  4. Step 4: Simplify right side
    604.28x = 478,706.88
  5. Step 5: Solve for x
    x = 478,706.88/604.28
  6. Step 6: Final answer
    x = 792.19

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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.