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Finding the Fourth Proportional to 575.07, 793.31 and 353.94

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Solution

The fourth proportional to 575.07, 793.31 and 353.94 is: 488.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    575.07 : 793.31 = 353.94 : x
  2. Step 2: Convert to fraction form
    575.07/793.31 = 353.94/x
  3. Step 3: Cross multiply
    575.07x = 793.31 × 353.94
  4. Step 4: Simplify right side
    575.07x = 280,784.14
  5. Step 5: Solve for x
    x = 280,784.14/575.07
  6. Step 6: Final answer
    x = 488.26

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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.