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Finding the Fourth Proportional to 1,304.83, 1,957.24 and 439.75

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Solution

The fourth proportional to 1,304.83, 1,957.24 and 439.75 is: 659.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,304.83 : 1,957.24 = 439.75 : x
  2. Step 2: Convert to fraction form
    1,304.83/1,957.24 = 439.75/x
  3. Step 3: Cross multiply
    1,304.83x = 1,957.24 × 439.75
  4. Step 4: Simplify right side
    1,304.83x = 860,696.29
  5. Step 5: Solve for x
    x = 860,696.29/1,304.83
  6. Step 6: Final answer
    x = 659.62

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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.