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Finding the Fourth Proportional to 906.06, 1,250.52 and 574.38

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Solution

The fourth proportional to 906.06, 1,250.52 and 574.38 is: 792.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    906.06 : 1,250.52 = 574.38 : x
  2. Step 2: Convert to fraction form
    906.06/1,250.52 = 574.38/x
  3. Step 3: Cross multiply
    906.06x = 1,250.52 × 574.38
  4. Step 4: Simplify right side
    906.06x = 718,273.68
  5. Step 5: Solve for x
    x = 718,273.68/906.06
  6. Step 6: Final answer
    x = 792.74

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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.