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Finding the Fourth Proportional to 925.01, 1,276.73 and 610.33

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Solution

The fourth proportional to 925.01, 1,276.73 and 610.33 is: 842.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    925.01 : 1,276.73 = 610.33 : x
  2. Step 2: Convert to fraction form
    925.01/1,276.73 = 610.33/x
  3. Step 3: Cross multiply
    925.01x = 1,276.73 × 610.33
  4. Step 4: Simplify right side
    925.01x = 779,223.57
  5. Step 5: Solve for x
    x = 779,223.57/925.01
  6. Step 6: Final answer
    x = 842.39

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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.