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Finding the Fourth Proportional to 1,304.88, 1,957.32 and 482.73

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Solution

The fourth proportional to 1,304.88, 1,957.32 and 482.73 is: 724.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,304.88 : 1,957.32 = 482.73 : x
  2. Step 2: Convert to fraction form
    1,304.88/1,957.32 = 482.73/x
  3. Step 3: Cross multiply
    1,304.88x = 1,957.32 × 482.73
  4. Step 4: Simplify right side
    1,304.88x = 944,857.08
  5. Step 5: Solve for x
    x = 944,857.08/1,304.88
  6. Step 6: Final answer
    x = 724.10

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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.