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Finding the Fourth Proportional to 944.91, 1,304.01 and 525.24

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Solution

The fourth proportional to 944.91, 1,304.01 and 525.24 is: 724.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    944.91 : 1,304.01 = 525.24 : x
  2. Step 2: Convert to fraction form
    944.91/1,304.01 = 525.24/x
  3. Step 3: Cross multiply
    944.91x = 1,304.01 × 525.24
  4. Step 4: Simplify right side
    944.91x = 684,918.21
  5. Step 5: Solve for x
    x = 684,918.21/944.91
  6. Step 6: Final answer
    x = 724.85

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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.