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Finding the Fourth Proportional to 574.96, 793.28 and 354.08

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Solution

The fourth proportional to 574.96, 793.28 and 354.08 is: 488.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    574.96 : 793.28 = 354.08 : x
  2. Step 2: Convert to fraction form
    574.96/793.28 = 354.08/x
  3. Step 3: Cross multiply
    574.96x = 793.28 × 354.08
  4. Step 4: Simplify right side
    574.96x = 280,884.58
  5. Step 5: Solve for x
    x = 280,884.58/574.96
  6. Step 6: Final answer
    x = 488.53

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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.