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Finding the Fourth Proportional to 281,314.60, 422,166.30 and 202,496.20

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Solution

The fourth proportional to 281,314.60, 422,166.30 and 202,496.20 is: 303,884.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,314.60 : 422,166.30 = 202,496.20 : x
  2. Step 2: Convert to fraction form
    281,314.60/422,166.30 = 202,496.20/x
  3. Step 3: Cross multiply
    281,314.60x = 422,166.30 × 202,496.20
  4. Step 4: Simplify right side
    281,314.60x = 85,487,071,518.06
  5. Step 5: Solve for x
    x = 85,487,071,518.06/281,314.60
  6. Step 6: Final answer
    x = 303,884.23

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.