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Finding the Fourth Proportional to 944.98, 1,304.08 and 552.02

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Solution

The fourth proportional to 944.98, 1,304.08 and 552.02 is: 761.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    944.98 : 1,304.08 = 552.02 : x
  2. Step 2: Convert to fraction form
    944.98/1,304.08 = 552.02/x
  3. Step 3: Cross multiply
    944.98x = 1,304.08 × 552.02
  4. Step 4: Simplify right side
    944.98x = 719,878.24
  5. Step 5: Solve for x
    x = 719,878.24/944.98
  6. Step 6: Final answer
    x = 761.79

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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.