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Finding the Fourth Proportional to 2,304.80, 3,451.80 and 2,258.40

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Solution

The fourth proportional to 2,304.80, 3,451.80 and 2,258.40 is: 3,382.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,304.80 : 3,451.80 = 2,258.40 : x
  2. Step 2: Convert to fraction form
    2,304.80/3,451.80 = 2,258.40/x
  3. Step 3: Cross multiply
    2,304.80x = 3,451.80 × 2,258.40
  4. Step 4: Simplify right side
    2,304.80x = 7,795,545.12
  5. Step 5: Solve for x
    x = 7,795,545.12/2,304.80
  6. Step 6: Final answer
    x = 3,382.31

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Why These Related Problems?

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