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Finding the Fourth Proportional to 351.35, 484.20 and 252.93

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Solution

The fourth proportional to 351.35, 484.20 and 252.93 is: 348.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    351.35 : 484.20 = 252.93 : x
  2. Step 2: Convert to fraction form
    351.35/484.20 = 252.93/x
  3. Step 3: Cross multiply
    351.35x = 484.20 × 252.93
  4. Step 4: Simplify right side
    351.35x = 122,468.71
  5. Step 5: Solve for x
    x = 122,468.71/351.35
  6. Step 6: Final answer
    x = 348.57

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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.