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Finding the Fourth Proportional to 574.98, 793.08 and 353.70

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Solution

The fourth proportional to 574.98, 793.08 and 353.70 is: 487.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    574.98 : 793.08 = 353.70 : x
  2. Step 2: Convert to fraction form
    574.98/793.08 = 353.70/x
  3. Step 3: Cross multiply
    574.98x = 793.08 × 353.70
  4. Step 4: Simplify right side
    574.98x = 280,512.40
  5. Step 5: Solve for x
    x = 280,512.40/574.98
  6. Step 6: Final answer
    x = 487.86

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.