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Finding the Fourth Proportional to 944.92, 1,304.16 and 552.04

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Solution

The fourth proportional to 944.92, 1,304.16 and 552.04 is: 761.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    944.92 : 1,304.16 = 552.04 : x
  2. Step 2: Convert to fraction form
    944.92/1,304.16 = 552.04/x
  3. Step 3: Cross multiply
    944.92x = 1,304.16 × 552.04
  4. Step 4: Simplify right side
    944.92x = 719,948.49
  5. Step 5: Solve for x
    x = 719,948.49/944.92
  6. Step 6: Final answer
    x = 761.91

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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.