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Finding the Fourth Proportional to 1,034.26, 1,427.22 and 568.54

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Solution

The fourth proportional to 1,034.26, 1,427.22 and 568.54 is: 784.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,034.26 : 1,427.22 = 568.54 : x
  2. Step 2: Convert to fraction form
    1,034.26/1,427.22 = 568.54/x
  3. Step 3: Cross multiply
    1,034.26x = 1,427.22 × 568.54
  4. Step 4: Simplify right side
    1,034.26x = 811,431.66
  5. Step 5: Solve for x
    x = 811,431.66/1,034.26
  6. Step 6: Final answer
    x = 784.55

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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.