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Finding the Fourth Proportional to 351.47, 484.98 and 204.08

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Solution

The fourth proportional to 351.47, 484.98 and 204.08 is: 281.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    351.47 : 484.98 = 204.08 : x
  2. Step 2: Convert to fraction form
    351.47/484.98 = 204.08/x
  3. Step 3: Cross multiply
    351.47x = 484.98 × 204.08
  4. Step 4: Simplify right side
    351.47x = 98,972.29
  5. Step 5: Solve for x
    x = 98,972.29/351.47
  6. Step 6: Final answer
    x = 281.60

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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.