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Finding the Fourth Proportional to 944.91, 1,304.00 and 551.96

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Solution

The fourth proportional to 944.91, 1,304.00 and 551.96 is: 761.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    944.91 : 1,304.00 = 551.96 : x
  2. Step 2: Convert to fraction form
    944.91/1,304.00 = 551.96/x
  3. Step 3: Cross multiply
    944.91x = 1,304.00 × 551.96
  4. Step 4: Simplify right side
    944.91x = 719,746.56
  5. Step 5: Solve for x
    x = 719,746.56/944.91
  6. Step 6: Final answer
    x = 761.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.