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Finding the Fourth Proportional to 925.67, 1,277.03 and 610.54

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Solution

The fourth proportional to 925.67, 1,277.03 and 610.54 is: 842.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    925.67 : 1,277.03 = 610.54 : x
  2. Step 2: Convert to fraction form
    925.67/1,277.03 = 610.54/x
  3. Step 3: Cross multiply
    925.67x = 1,277.03 × 610.54
  4. Step 4: Simplify right side
    925.67x = 779,677.90
  5. Step 5: Solve for x
    x = 779,677.90/925.67
  6. Step 6: Final answer
    x = 842.28

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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.