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Finding the Fourth Proportional to 573.90, 792.14 and 352.95

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Solution

The fourth proportional to 573.90, 792.14 and 352.95 is: 487.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    573.90 : 792.14 = 352.95 : x
  2. Step 2: Convert to fraction form
    573.90/792.14 = 352.95/x
  3. Step 3: Cross multiply
    573.90x = 792.14 × 352.95
  4. Step 4: Simplify right side
    573.90x = 279,584.05
  5. Step 5: Solve for x
    x = 279,584.05/573.90
  6. Step 6: Final answer
    x = 487.17

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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.