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Finding the Fourth Proportional to 573.96, 792.18 and 352.92

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Solution

The fourth proportional to 573.96, 792.18 and 352.92 is: 487.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    573.96 : 792.18 = 352.92 : x
  2. Step 2: Convert to fraction form
    573.96/792.18 = 352.92/x
  3. Step 3: Cross multiply
    573.96x = 792.18 × 352.92
  4. Step 4: Simplify right side
    573.96x = 279,576.17
  5. Step 5: Solve for x
    x = 279,576.17/573.96
  6. Step 6: Final answer
    x = 487.10

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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.