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Finding the Fourth Proportional to 1,304.44, 1,957.41 and 483.28

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Solution

The fourth proportional to 1,304.44, 1,957.41 and 483.28 is: 725.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,304.44 : 1,957.41 = 483.28 : x
  2. Step 2: Convert to fraction form
    1,304.44/1,957.41 = 483.28/x
  3. Step 3: Cross multiply
    1,304.44x = 1,957.41 × 483.28
  4. Step 4: Simplify right side
    1,304.44x = 945,977.10
  5. Step 5: Solve for x
    x = 945,977.10/1,304.44
  6. Step 6: Final answer
    x = 725.20

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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.